Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006894 | Save democracy election system | — | 2011-08-30 |
| 7857200 | Save democracy election system | — | 2010-12-28 |
| 5802921 | Maximum power density gearing | — | 1998-09-08 |
| 5485761 | Articulated differential crowning | — | 1996-01-23 |
| 5341699 | Zero dynamic increment gearing | — | 1994-08-30 |
| 5083474 | Zero transmission error gearing | — | 1992-01-28 |
| 4651588 | Low-excitation gearing | — | 1987-03-24 |
| 4644814 | Wide-angle gearing | — | 1987-02-24 |
| 4589300 | Low transmission error gearing | — | 1986-05-20 |
| 4324441 | Rolling contact element | Robert Krumme | 1982-04-13 |
| 4276785 | Low-noise gearing | — | 1981-07-07 |
| 4259875 | High-torque low-noise gearing | — | 1981-04-07 |