Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474237 | Toy pen | — | 2003-05-06 |
| 5719434 | Rotary switch | William T. Holmes | 1998-02-17 |
| 5697689 | Rotary switch indicator including horseshoe light guide | William T. Holmes | 1997-12-16 |
| D362842 | Latch and knob combination | — | 1995-10-03 |
| D361984 | Latch and knob combination | — | 1995-09-05 |
| D357169 | Key handle | — | 1995-04-11 |
| 5331857 | Pressure transducer | William T. Holmes, Edward W. Baumgartner, Herman W. Erichsen, Louis Panagotopulos | 1994-07-26 |
| 5317923 | Pressure transducers | Herman W. Erichsen, Louis Panagotopulos, William T. Holmes | 1994-06-07 |
| 5174014 | Method of manufacturing pressure transducers | Herman W. Erichsen, Louis Panagotopulos, William T. Holmes | 1992-12-29 |
| 5113602 | Snap-on key cover | George Bellwoar, Douglas A. Murphy | 1992-05-19 |
| 5073131 | Fuse holder | — | 1991-12-17 |