Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466554 | Singulating seeder for high density plug trays | Paul J. Bickel, III | 1984-08-21 |
| 4443969 | Mushroom casing composition and process | James E. Kahl, Angus B. Mackenzie | 1984-04-24 |
| 4443151 | Automatic soil plug loader and feeder | Errol C. Armstrong, Thomas A. Spinetti | 1984-04-17 |
| 4422990 | Method and apparatus for making soil plugs | Errol C. Armstrong, Paul F. Hermann, Thorburn S. Kennedy | 1983-12-27 |
| 4337594 | Mushroom casing composition and process | James E. Kahl, Angus B. Mackenzie | 1982-07-06 |