Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656774 | Apparatus and method for sensing fluid level | Steven D. Nelson, James S. Leonard | 1997-08-12 |
| 5651286 | Microprocessor based apparatus and method for sensing fluid level | Robert D. Shaw | 1997-07-29 |
| 5608416 | Portable rapidly erectable discone antenna | Denver N. Tenney, Laurence C. Simms | 1997-03-04 |