Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856929 | Interior clamping device for tubular poles | Michael A. Smahlik, Richard D. Phipps | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856929 | Interior clamping device for tubular poles | Michael A. Smahlik, Richard D. Phipps | 1989-08-15 |