Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D330682 | Carpenter's level | Andrew C. Butler, Edwin A. Seipp, III, Blake R. Wharton | 1992-11-03 |
| 5134780 | Inclinometer with rail having a hollow I-shaped cross-section | Andrew G. Butler, Edwin A. Seipp, III, Blake R. Wharton, Brian J. Bayley, Jay Wilson | 1992-08-04 |