Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032320 | Trowel having imposed blade stresses and method of manufacture | Jack D. Murders | 2000-03-07 |
| 5791009 | Trowel having imposed blade stresses and method of manufacture | Jack D. Murders | 1998-08-11 |
| 5697265 | Trowel having imposed blade stresses and method of manufacture | Jack D. Murders | 1997-12-16 |