Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919552 | Hang tag assembly for a hole saw | Melvin A. Pendergraph, Crystal Williams | 2014-12-30 |
| 8443972 | Hang tag assembly for a hole saw | Melvin A. Pendergraph, Crystal Williams | 2013-05-21 |