Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4430833 | Wall protection assembly | Claude P. Balzer | 1984-02-14 |
| 4276728 | Dirt removing grid system for floors | Claude P. Balzer | 1981-07-07 |
| 4184298 | Expansion joint filler strip and cover assembly | Claude P. Balzer | 1980-01-22 |