Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868281 | Dual dialing mode wireless telephone | Edward A. Youngs | 2005-03-15 |
| 6731935 | Method and system for generating information-bearing audible tones | Edward A. Youngs | 2004-05-04 |
| 6594491 | Method and system for generating information-bearing audible tones | Edward A. Youngs | 2003-07-15 |
| 5109248 | Variable color-output strobe for photographic apparatus | John P. Gaewsky | 1992-04-28 |
| 4978892 | Variable color-output strobe | John P. Gaewsky | 1990-12-18 |