Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689849 | Attachment of furring strips to floor joists | Joseph Swinea, Frank Pospisil, James M. Ullett | 2020-06-23 |
| 10662114 | Ultra-light cementitious compositions and related methods | Dennis Mark Lettkeman, John W. Wilson, William Kelly Bedwell, Raymond A. Kaligian | 2020-05-26 |
| 10066392 | One hour fire rated wooden frame members using lightweight gypsum wallboard | Joseph Swinea, Naveen Punati | 2018-09-04 |
| 10066390 | Two-hour fire-rated modular floor/ceiling assembly | Frank Pospisil, James M. Ullett | 2018-09-04 |
| 9975808 | Ultra-light cementitious compositions and related methods | Dennis Mark Lettkeman, John W. Wilson, William Kelly Bedwell, Raymond A. Kaligian | 2018-05-22 |
| 9422714 | Wooden frame truss with enhanced fire resistance | — | 2016-08-23 |
| 8661757 | 30-minute residential fire protection of floors | — | 2014-03-04 |
| 7730690 | Compression post assembly for wind up-lift of suspension soffits | Gregory L. Sallay | 2010-06-08 |
| D343254 | Top surface of a razor head | Chester F. Jacobson | 1994-01-11 |