Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776550 | Removable insert for a binder | — | 2004-08-17 |
| 6702330 | Book with hidden spine | — | 2004-03-09 |
| 5739744 | Electronically simulated rotary-type cardfile | Ronald D. Cranford | 1998-04-14 |
| D383439 | Retractable cord surge protector | Richard J. Tremmel, Edward L. Hames | 1997-09-09 |
| 5629826 | Retractable cord surge protector | Richard J. Tremmel, Edward L. Hames, John Harlan Peterson, Jr., Eric Parker, Bernd H. Wiegandt | 1997-05-13 |
| 5452240 | Electronically simulated rotary-type cardfile | Ronald D. Cranford | 1995-09-19 |