Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4516879 | Foam slabs in mine tunnel stoppings | James A. Berry, John W. Stevenson | 1985-05-14 |
| 4494343 | Structure for retrofitting corrugated building exteriors | James A. Berry | 1985-01-22 |
| 4277926 | Vented insulation system for existing structure | James A. Berry | 1981-07-14 |