Included in this photo gallery are the drawings and text from original patents. These are copies of the originals submitted by the inventor to the United States Patent and Trademark Office.
- James Allen #551,105
- James Metthew Allen #2,085,624
- James Metthew Allen #2,085,624
- John Allen #1,093,096
- John Allen #1,093,096
- Robert Allen #3,071,243
- Robert Allen #3,071,243
- Robert Allen #3,071,243
- Tanya Allen #5,325,543
- Virgie Ammons #3,908,633
- Alexander Ashbourne #170,460
- Alexander Ashbourne #170,460
- Graphic Index
- Text Index
