Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840502 | Thermal transfer ribbon cassette | — | 1989-06-20 |
| 4806948 | Ribbon separating mechanism for thermal printer | Richard G. Bangs, Sik Piu Kwan | 1989-02-21 |
MG
Michael Grey
Overall (1989): #20,004 of 140,708Top 15%
2
Patents 1989