Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771246 | Winch apparatus and method of use thereof | — | 2017-09-26 |
| 6179722 | Putting trainer for speed control | — | 2001-01-30 |
| 4953770 | Pool cue chalk holder | — | 1990-09-04 |
| 4945214 | Digital data apparatus with datastrip compression and expansion | David Hancock | 1990-07-31 |