Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527378 | Fingerprint gun lock apparatus | — | 2020-01-07 |
| 5769207 | Key operated vehicle anti-theft electrical switching device | — | 1998-06-23 |
| 5246287 | Colloidal grout mixing apparatus and method | John Isherwood, Timothy J. Wearden | 1993-09-21 |
| 4444293 | Safety arrester for mine-shaft conveyances using tubing guides | Willard S. Paul | 1984-04-24 |