Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881070 | Meter reading methods and apparatus | Alan W. Holmes | 1989-11-14 |
| 4646084 | Meter reading methods and apparatus | Alan W. Holmes | 1987-02-24 |
| 4587513 | Noncontact shaft angle detector | Alan W. Holmes, Daniel R. Valentine | 1986-05-06 |