Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857323 | Preservative for wood | — | 1989-08-15 |
| 4723992 | Fixation of arsenic in soil | — | 1988-02-09 |
| 4597940 | Preservative treatment of wood | — | 1986-07-01 |
| 4377039 | Process for the drying of wood by use of dielectric energy | — | 1983-03-22 |
| 4371572 | Process for the treatment of wood | — | 1983-02-01 |
| 4366627 | Process for the treatment of wood | — | 1983-01-04 |
| 4337720 | Apparatus for treatment of wood | — | 1982-07-06 |
| 4305978 | Process for treatment of wood | — | 1981-12-15 |
| 4287239 | Method for wood preservation | — | 1981-09-01 |