Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614326 | Concrete mold core assembly | James K. Strickland | 1986-09-30 |
| 4570896 | Slide action inside corner form | James K. Strickland | 1986-02-18 |
| 4519570 | Inside corner concrete form unit | James K. Strickland | 1985-05-28 |
| 4447035 | Joining concrete form panels to cast an inside corner wall structure | D. Leonard Sprouse | 1984-05-08 |