Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865582 | One-direction captive screw fastener | Harry L. Dickerson | 1999-02-02 |
| 5851095 | Captive screw | Edward A. McCormack, Harry L. Dickerson | 1998-12-22 |
| 5642972 | One-direction captive screw fastener | Harry L. Dickerson | 1997-07-01 |
| 5411165 | Drawer and insert for rapid removal of valuables | — | 1995-05-02 |
| 4478115 | Tamper-resistant fastener key | — | 1984-10-23 |