Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4518282 | Mine roof bearing plate with embossed area having conical and cylindrical sections | Raymond J. Wilcox | 1985-05-21 |
| 4371293 | Mine roof bearing plate | Raymond J. Wilcox | 1983-02-01 |
| 4262730 | Strike off method for automatically leveling and compacting sand in mold boxes of varying heights | — | 1981-04-21 |
| 4252231 | Bottom board feeder apparatus | Thomas L. Baker | 1981-02-24 |