Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665385 | Hazardous condition monitoring system | — | 1987-05-12 |
| 4379112 | Method for making a reinforced elastomer piston packing | George E. Heikes, Jr. | 1983-04-05 |
| 4280709 | Piston rubber | George E. Heikes, Jr. | 1981-07-28 |
| 4257121 | Portable transceiver | Michael E. Shepperd | 1981-03-17 |
| 4231115 | Modular radio | Edmund L. Abner | 1980-10-28 |
| 4212067 | Navigating device | — | 1980-07-08 |