Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259458 | Subsea shelter and system for installation | Louis E. Schaefer, Jr. | 1993-11-09 |
| 5238069 | System for preventing cutting gas explosion during subterranean pipe cutting operations | Louis E. Schaefer, Jr. | 1993-08-24 |
| 4540950 | Wideband linear amplifier | — | 1985-09-10 |
| 4482977 | Analog multiplier circuit including opposite conductivity type transistors | — | 1984-11-13 |