Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481036 | Modular cable protector having removable wheel chair ramps | — | 2002-11-19 |
| D448338 | Hand grip for a wheel chock | — | 2001-09-25 |
| 6109399 | Brake shoe and production method therefor | Ted G. Crawford | 2000-08-29 |
| 5962809 | Apparatus and method for protecting underground cables | Bruce Allen Christiansen | 1999-10-05 |
| 4999856 | Facemask protection device | — | 1991-03-19 |
| 4793925 | Hydrocyclone construction | Mike Wilfley, Carl R. MacLachon | 1988-12-27 |
| 4409389 | Preparation of imidazoles | Michael Bellas | 1983-10-11 |