Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566853 | Apparatus for sealing a vessel under pressure | Alfred R. Schenker | 1996-10-22 |
| 5491884 | Method of assembling a differential pressure monitoring device | Alfred R. Schenker, Michael D. Ross | 1996-02-20 |
| 5296659 | Differential pressure monitoring device | Alfred R. Schenker, Michael D. Ross | 1994-03-22 |
| 5173690 | Passive ranging system utilizing range tone signals | Maurice Friedman, Robert W. Fischer, Jr., Michael D. Ross, Gary Rogers | 1992-12-22 |
| 5107261 | Passive ranging system for radiosondes | Maurice Friedman, Robert W. Fischer, Jr., Michael D. Ross, Gary Rogers | 1992-04-21 |