Number | Name | Date | Kind |
---|---|---|---|
299732 | Buchanan | Jun 1884 | |
2048971 | Rottmund | Jul 1936 | |
3341396 | Iverson | Sep 1967 | |
3712825 | Yocum | Jan 1973 | |
4721634 | McKinnon | Jan 1988 | |
4959250 | McKinnon | Sep 1990 | |
4975303 | McKinnon | Dec 1990 | |
5069939 | McKinnon | Dec 1991 |
Number | Date | Country |
---|---|---|
2452976 | Dec 1980 | FRX |
Entry |
---|
Translation of Fr. No. 2,452,976--Process for Producing Coatings, A. M. Shumskaya, et al., PTO-90-1427, Jan. 1990. |