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African American History - African American Inventors

African American Inventors - Patent Holders List Index

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African American History - African American Inventors

Jack Johnson - world's first African American heavyweight champion patented a wrench

H-I < Jackson to Jennings, Johnson, Jones to Just > K

Andrew R Johnson

  • #3,376,436 4/2/1968 Precision digital delay circuit

Anthony M Johnson

  • #4,555,622, 11/26/1985, Photodetector having semi-insulating material and a contoured, substantially periodic surface
  • #4,703,996, 11/3/1987, Integrated optical device having integral photodetector
  • #4,721,910. Jan. 26, 1988, High speed circuit measurements using photoemission sampling

Daniel Johnson

  • #429,629, 6/10/1890, Grass receiver for lawn mowers
  • #396,089, 1/15/1889, Rotary dining table
  • #410,836, 9/10/1889, Lawn mower attachment

George M Johnson

  • #1,249,106, 12/4/1917, Automatic stopping and releasing device for mine cars

Isaac R Johnson

Jack Johnson The World's first African-American Heavyweight Champion

Lonnie G Johnson

  • #4,143,267, 3/6/1979, Digital distance measuring instrument
  • #4,181,843, 1/1/1980, Variable resistance type sensor controlled switch
  • #4,211,362, 8/8/1980, Smoke detecting timer controlled thermostat
  • #4,253,606, 3/3/1981, Automatic sprinkler control
  • #4,476,693, 10/16/1984, Thermal energy accumulation
  • #4,509,361, 4/9/1985, Soil moisture potential determination by weight measurement
  • #4,591,071, 5/27/1986, Squirt gun
  • #4,724,683, 2/16/1988, Johnson tube, a thermodynamic heat pump
  • #4,757,946, 7/19/1988, Flow actuated pulsator
  • #5,074,437, 12/14/1991, Super Soaker ®
  • #5,150,819, 9/29/1992, Double tank pinch trigger pump water gun
  • #5,197,452, 3/30/1993, Liquid jet propelled transporter and launcher toy
  • #5,238,149, 8/24/1993, Pinch trigger hand pump water gun with multiple tanks
  • #5,266,928, 11/30/1993, Wet diaper detector
  • #D 342,551, 12/21/1993, Combined aerodynamic glider and launcher
  • #5,292,032, 3/8/1994, Pinch trigger water gun with rearwardly mounted hand pump
  • #5,299,367, 4/5/1994, Hair drying curler apparatus
  • #5,305,919, 4/26/1994, Pinch trigger hand pump water gun with non-detachable tank
  • #5,322,191, 6/21/1994, Water arrow projecting bowLow pressure, high volume pressurized water gun
  • #5,332,120, 7/26/1994, Water arrow projecting bow
  • #5,381,778, 1/17/1995, Pressurized toy rocket with rapid action release mechanism
  • #5,395,275, 3/7/1995, Toy airplane and launcher
  • #5,398,873, 3/21/1995, Fluid pulsator with accumulator for frequency control
  • #5,407,375, 4/18/1995, Toy rocket with velocity dependent chute release
  • #5,415,153, 5/16/1995, Pressurized air/water rocket and launcher
  • #5,499,940, 3/19/1996, Fluid powering and launching system for a toy vehicle
  • #5,538,453, 7/23/1996, Air pressure toy rocket launcher
  • #5,541,464, 7/30/1996 Thermionic generator
  • #5,469,145, 11/21/1995, Wet diaper detector
  • #5,549,497, 8/27/1996, Toy rocket with velocity dependent chute release
  • #5,553,598, 9/10/1996, Pneumatic launcher for a toy projectile and the like
  • #5,586,688, 12/24/1996, Electric pump toy water gun
  • #5,592,931, 1/14/1997, Compressed air gun with magazine indexer
  • #5,596,978, 1/28/1997, Rapid fire compressed air gun
  • #5,626,123, 5/6/1997, Compressed air gun
  • #5,653,216, 8/5/1997, Toy rocket launcher
  • #5,699,781, 12/23/1997, Rapid fire compressed air gun
  • #5,701,879, 12/30/1997, Compressed air gun with single action pump
  • #5,707,270, 1/13/1998, System for detonating a percussion cap in a toy projectile
  • #5,709,199, 1/20/1998, Rapid fire compressed air gun
  • #5,711,324, 1/27/1998, Hair drying curler apparatus
  • #5,724,955, 3/10/1998, Voice activated compressed air toy gun

Paul E Johnson

  • #1,842,100, 1/19/1932, Therapeutic lamps

Payton Johnson

  • #249,530, 11/15/1881, Swinging chair

Powell Johnson

  • #234,039, 11/2/1880, Eye Protector

Wesley Johnson

William A Johnson

  • #393,763, 12/4/1888, Paint vehicle

Willie Harry Johnson

  • #554,223, 2/4/1896, Mechanism for overcoming dead centers
  • #612,345, 10/11/1898, Mechanism for overcoming dead centers

Willis Johnson

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