Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342871 | Clear hydrophilic coating for heat exchanger fins | Ronald J. Lewarchik, Dexter F. Sunderman | 1994-08-30 |
| 5340870 | Fast dry waterborne traffic marking paint | William G. Heiber, Ronald J. Lewarchik | 1994-08-23 |