Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205149 | Method of removing vinyl chloride monomer from polyvinyl chloride resins | Frank A. Cich, Emmett J. Glazer | 1980-05-27 |
| 4187363 | Vinyl chloride polymerization method | Richard A. Marshall, Frank A. Cich | 1980-02-05 |