Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8398094 | Skibob and method for riding a chairlift | William J. Ritter | 2013-03-19 |
| 8398095 | Skibob and method for riding a chairlift | William J. Ritter | 2013-03-19 |
| 8109523 | Skibob and method for riding a chairlift | William J. Ritter | 2012-02-07 |
| 4809638 | Ocean location marking using film forming polymers | J. Terry Richard | 1989-03-07 |
| 4381428 | Adaptive quantizer for acoustic binary information transmission | John T. Rickard, James R. Zeidler | 1983-04-26 |