Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873631 | Point of sale automatic back-up system and method | Lawrence A. Hislop | 1989-10-10 |
RN
Robert Nathan
Overall (1989): #61,933 of 140,708Top 45%
1
Patents 1989