Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276430 | HVAC equipment screening systems | Howard S. Hoffman, Cyril Silberman, James M. Lubratt | 2025-04-15 |
| 8800214 | Automated covering system | Cyril Silberman, Barton L. Riberich, Francisco Pantano-Rubino, Michael Becker, John Lanari +5 more | 2014-08-12 |
| D409119 | XL master cylinder cover | — | 1999-05-04 |
| 5836555 | Industrial chair | Thomas Lee Ellsworth, Alwin J. Stahel | 1998-11-17 |
| D381823 | Industrial chair | Thomas Lee Ellsworth, Alwin J. Stahel | 1997-08-05 |
| D338497 | Combined note pad and writing instrument holder for attachment to an automobile dashboard, windshield or the like | Alwin J. Stahel | 1993-08-17 |
| D337616 | Combined note pad and writing instrument holder for attachment to an automobile dashboard, or window | Alwin J. Stahel | 1993-07-20 |