Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308432 | Twist lock mechanism for a tape measure | Edgar T. Gilliam | 2001-10-30 |
| D397950 | Tape measure housing | William C. Blackman, Michael Joseph Bobay, Edgar T. Gilliam | 1998-09-08 |