Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798023 | Method of controlling environmental conditions in the proximity of vegetation or crops with the aid of protective sheeting, protective sheeting for use in this method, and a protective device comprising sheeting | Lubbertus Vogel, Adrianus Leenheer | 1989-01-17 |
| 4496434 | Process of electroforming a metal product and an electroformed metal product | — | 1985-01-29 |