Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061837 | Method and apparatus for selectively demetallizing a metallized film | William B. Gilbert, Jack V. Roberts | 1991-10-29 |
| 4195786 | Apparatus for removal of silage from a silo | — | 1980-04-01 |