Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822373 | Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd | John C. H. Chang, Imelda A. Muggli | 1989-04-18 |
MO
Maynard H. Olson
Overall (1989): #79,448 of 140,708Top 60%
1
Patents 1989