Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D549464 | Contour brush handle | Gary Jordan | 2007-08-28 |
| RE38965 | Apparatus, system and method for recording and/or retrieving audio information | Roy G. Tiemann | 2006-01-31 |
| 5852803 | Apparatus, system and method for recording and/or retrieving audio information | Roy G. Tiemann | 1998-12-22 |
| 5305384 | Apparatus, system and method for transmitting secure signals over narrow spaced channels | Clark Burkhart, Frankie Favors, Roy G. Tiemann, Robert L. Vandaveer, Lothar Krause | 1994-04-19 |
| D344443 | Electric plug lockbox | — | 1994-02-22 |
| 5150401 | Retrofittable encryption/decryption apparatus using modified frequency modulation | Clark Burkhart, Frankie Favors, Roy G. Tiemann, Robert L. Vandaveer, Lothar Krause | 1992-09-22 |
| D325374 | Electric cord lockbox | — | 1992-04-14 |