Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066390 | Two-hour fire-rated modular floor/ceiling assembly | Frank Pospisil, James M. Ullett | 2018-09-04 |
| 10066392 | One hour fire rated wooden frame members using lightweight gypsum wallboard | Joseph Swinea, Naveen Punati | 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 |