Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486002 | Golfing apparatus | Douglas L. Spike, Douglas C. Talbot | 1996-01-23 |
| 5375832 | Golfing apparatus | Douglas L. Spike, Douglas C. Talbot | 1994-12-27 |
| 5290037 | Golfing apparatus | Douglas L. Spike, Douglas C. Talbot | 1994-03-01 |
| 5092602 | Golfing apparatus | Douglas L. Spike, Douglas C. Talbot | 1992-03-03 |
| 4587427 | Breath analyzer | Douglas C. Talbot | 1986-05-06 |
| 4231039 | Radar speedometer | Jack D. Fritzlen | 1980-10-28 |