Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417425 | Apparatus for erecting concrete wall panels | James E. Case, Richard L. Ruppert | 1983-11-29 |
| 4290638 | Apparatus for releasable connection to an embedded member | — | 1981-09-22 |