Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767740 | Alkyltin sulfanyl mercaptocarboxylates having terminal thiol groups | Edward Krainer, Peter Frenkel, Mukund Shah, David J. Sikora | 2010-08-03 |
| 7629412 | Rigid PVC blend composition | Peter Frenkel, Larry Fiedler | 2009-12-08 |