Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635265 | Hinged waterbox cover | Steven E. Wolfgram, Daoud A. Jandal, Bradley S. Wickersham, Fred Eickstaedt, Raymond S. Schafer +5 more | 2023-04-25 |
| 10203168 | Hinged waterbox cover method | Steven E. Wolfgram, Daoud A. Jandal, Bradley S. Wickersham, Fred Eickstaedt, Raymond S. Schafer +5 more | 2019-02-12 |
| D704960 | Stair tread overlay | — | 2014-05-20 |
| 8640404 | Hardwood stair tread overlay | — | 2014-02-04 |