Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815983 | Customizable plugs for A.C. power cords | James W. Erickson, Merlyn W. Jeche, Rolland Dean O'Groske | 1989-03-28 |
GR
Gerald Richter
Overall (1989): #111,383 of 140,708Top 80%
1
Patents 1989