Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794365 | Method and apparatus for turning a page in a book | Erich Hindermeyer, Eckhard Kunigkeit | 1998-08-18 |
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Overall (All Time): #3,693,352 of 4,157,543Top 90%
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Patents All Time