Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187806 | Apparatus and method for expanding cellular system capacity | Barry J. Leff | 1993-02-16 |
| D319804 | Combined zipper pull, bag tag, LCD clock, keyring and thermometer | Robert P. Miller | 1991-09-10 |
| 4941198 | Communications repeater monitoring system | Ladan A. Parandoosh, Joseph F. Lutz | 1990-07-10 |
| 4840734 | Process for absorbing liquid leaks and spills | — | 1989-06-20 |
| 4783843 | Split band filter for cellular mobile radio | Barry J. Leff, Joseph F. Lutz | 1988-11-08 |
| 4430744 | Adaptive IF equalizer for digital transmission | — | 1984-02-07 |