Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238098 | Spring-action suspensory device for attachment to overhead beams | Gerald E. Siegfried, by Carolyn K. Parson, adminstratrix | 1980-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238098 | Spring-action suspensory device for attachment to overhead beams | Gerald E. Siegfried, by Carolyn K. Parson, adminstratrix | 1980-12-09 |