Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4581488 | Last number redial device | Robert B. Lawson, Jimmie R. Augustus, John Kardash | 1986-04-08 | $923,000 |
| 4547629 | Energy management circuit | — | 1985-10-15 | $1,090,000 |
| 4508939 | Last number redial device | Robert B. Lawson, Jimmie R. Augustus, John Kardash | 1985-04-02 | $502,000 |