Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315955 | Flagpole silencers | — | 1994-05-31 |
| 4680993 | Champagne bottle opener | — | 1987-07-21 |
| 4566551 | Stair-climbing conveyance | — | 1986-01-28 |
| 4253256 | Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means | — | 1981-03-03 |
| 4222449 | Step-climbing wheel chair | — | 1980-09-16 |