Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177782 | Modular protected entrance terminal | Daniel H. Henderson, Richard J. Scherer | 1993-01-05 |
| 4704758 | Handle construction for long handled implements | — | 1987-11-10 |
CH
Charles W. Hoffman
Overall (All Time): #2,298,853 of 4,157,543Top 60%
2
Patents All Time