Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33881 | Apparatus for lifting concrete panels | Robert E. Truitt | 1992-04-14 |
| 4846433 | Adjustable hanger | Roy L. Edgar | 1989-07-11 |
| 4807843 | Recess plug for precast concrete panels | Robert E. Truitt | 1989-02-28 |
| 4726562 | Apparatus for casting an anchor in a concrete unit | Roy L. Edgar, Arthur G. Mess, Jr. | 1988-02-23 |
| 4700979 | Apparatus for lifting concrete panels | Robert E. Truitt | 1987-10-20 |