Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930979 | Compressors | Paul J. Langdon | 1990-06-05 |
| 4743161 | Compressors | Paul J. Langdon | 1988-05-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930979 | Compressors | Paul J. Langdon | 1990-06-05 |
| 4743161 | Compressors | Paul J. Langdon | 1988-05-10 |