Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492181 | Apparatus for cutting square grass plugs | — | 1996-02-20 |
| 5061126 | Hole saw and mandrel assembly | William O. Cain, Ernest Emond, Karl Glawischnig | 1991-10-29 |
| 4425997 | Article display and holder apparatus | — | 1984-01-17 |
| 4385688 | Article display and holder apparatus | — | 1983-05-31 |