Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270885 | Unloading means for a gas compressor | Robert W. Shaffer | 1981-06-02 |
| 4260402 | Housing means for defining air/oil separator and oil reservoir assembly | Robert W. Shaffer | 1981-04-07 |