Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5853340 | Shuttlecocks | — | 1998-12-29 | |
| 4803723 | Telephone | — | 1989-02-07 | |
| D298621 | Handset telephone instrument | — | 1988-11-22 | |
| 4285493 | Valve operator | — | 1981-08-25 | $2,814,000 |
| 4206900 | Valve operator | — | 1980-06-10 | $1,359,000 |