Issued Patents 2020
Showing 1–2 of 2 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 |