Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754549 | Inexpensive two-way communications switch | Horst Lebrecht Truestedt | 1998-05-19 |
| 5535035 | Optical fiber ring communications system and communications method | Horst Lebrecht Truestedt, Raymond J. Thatcher | 1996-07-09 |
| 4650333 | System for measuring and detecting printed circuit wiring defects | Robert M. Crabb, Norman E. Rittenhouse, Mark West, Richard A. Ziegler | 1987-03-17 |