Text for patent #483,525 issued on 10/4/1892.
The previous gallery pages have the drawings that accompany the text below and page one of text.
Text for Patent #483,525
African American Patent Holders - Black Inventors
Black History - Trivia & Books
Books on Black History - Compare PricesBlack History Trivia QuizColors of Innovation - Black History
Suggested Reading
What is a Patent?What Does the Term "Invented an Improvement" Mean? What is a Patent Drawing?
Related Articles
See More About
Top Related Searches patent