Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269110 | Flexible closure system for use in building construction | Richard M. Morrison, George W. Velenovsky, Jr., Marcel L. M. Corriveau | 1993-12-14 |
| 4977719 | Fire resistant expansion joint | Allan R. LaRoche, Denis M. Kelleher | 1990-12-18 |
| 4866898 | Fire resistant expansion joint | Allan R. LaRoche | 1989-09-19 |
| 4848044 | Expansion joint cover | Allan R. LaRoche, Robert Butcher, Jean A. Dubuc | 1989-07-18 |