Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D982426 | Security screw | William Leroy Kellett | 2023-04-04 |
| D957240 | Security screw | William Leroy Kellett | 2022-07-12 |
| D950333 | Tri-groove socket | William Leroy Kellett | 2022-05-03 |
| D841457 | Tamper-proof nut and tool set | — | 2019-02-26 |
| D774386 | Tamper-proof nut | — | 2016-12-20 |
| 5423536 | An antiskid frustoconical rim for retrofitting on a butt of a golf club or other device that is swung | — | 1995-06-13 |