Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678221 | Apparatus and method for substantially eliminating noise in an audible output signal | — | 1997-10-14 |
| 5621763 | Apparatus and method for generating a transition between the on and off states of a radio frequency transmitter | Thomas J. Walczak, Robert I. Greene, John W. Diehl | 1997-04-15 |