Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372658 | Pipeline inspection apparatus | Donald E. Lorenzi, John J. Flaherty, Edward F. Schaefer | 1983-02-08 |
| 4249810 | Pipeline inspection apparatus | Donald E. Lorenzi, John J. Flaherty, Edward F. Schaefer | 1981-02-10 |