Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509438 | Air valve adapter | Martin Connolly | 1996-04-23 |
| 5104357 | Variable ratio drive system | Martin Connolly | 1992-04-14 |
| 5094653 | Belt drive apparatus | — | 1992-03-10 |
| 5041061 | Variable ratio drive system | — | 1991-08-20 |
| 5013284 | Variable ratio drive system | — | 1991-05-07 |
| 5006094 | Self-positioning belt tensioner | — | 1991-04-09 |
| 4973030 | Spring assembly | — | 1990-11-27 |
| 4973289 | Variable-ratio transmissions, separately and in bicycles | — | 1990-11-27 |
| 4946426 | Self-positioning belt tensioner | — | 1990-08-07 |
| 4925201 | Variable-ratio transmissions, separately and in bicycles | — | 1990-05-15 |
| 4832660 | Variable ratio drive mechanism | — | 1989-05-23 |
| 4816008 | Variable-ratio transmissions, separately and in bicycles | — | 1989-03-28 |
| RE32878 | Counterbalance device and torsion member usable therein | — | 1989-02-28 |
| 4738441 | Data scanning apparatus | — | 1988-04-19 |
| 4681307 | Socket construction for torsion member | — | 1987-07-21 |
| 4670940 | Torsion spring mounting structure | — | 1987-06-09 |
| 4659073 | Data reading apparatus | — | 1987-04-21 |
| 4621391 | Torsion spring mounting structure for ensuring proper torsion spring orientation | — | 1986-11-11 |
| 4591136 | Spring mechanisms | — | 1986-05-27 |
| 4589164 | Variable tension device with adjustable features for spring rate, initial tension and connection to external parts | — | 1986-05-20 |
| 4571775 | Counterbalance device and torsion member usable therein | — | 1986-02-25 |