Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305228 | Bar code scanner or similar article | — | 1989-12-26 |
| 4857712 | Slip table with integrated slip guide | George Heys, Jr. | 1989-08-15 |
DA
David M. J. Allgeier
Overall (1989): #29,747 of 140,708Top 25%
2
Patents 1989