Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893836 | Book binding connector and binding-debinding tool | Charles T. Groswith, III, Thomas P. Myers | 1990-01-16 |
| 4874186 | Paper sheets binding system | Charles T. Groswith III, Rickson Sun, James R. Yurchenco | 1989-10-17 |