Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854185 | Manually operated and locked conduit length adjuster system | Norman B. Lichtenberg, Harold P. Sponseller | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854185 | Manually operated and locked conduit length adjuster system | Norman B. Lichtenberg, Harold P. Sponseller | 1989-08-08 |