Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731840 | Method for encryption and transmission of digital keying data | Susan M. Mniszewski, David P. Brenner | 1988-03-15 |
| 4577435 | Micro-climate temperature control apparatus | Ronald D. Smith | 1986-03-25 |
| 4411101 | Apparatus and method for heating the root zone of plants | Ronald D. Smith | 1983-10-25 |