Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214671 | Floating roof drainage system | Richard E. Hills, Joel Blackman, Franklin A. Kuhs | 1980-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214671 | Floating roof drainage system | Richard E. Hills, Joel Blackman, Franklin A. Kuhs | 1980-07-29 |