Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588769 | Multipurpose fire resistant sealing and caulking compound | Olavi E. Vehmas, Bernard Kotyuk | 1986-05-13 |
| 4581882 | Refractory fiber rope packing | Bernard Kotyuk | 1986-04-15 |
| 4345430 | Automotive catalytic converter exhaust system | Stephen J. Previte, William C. Schafer | 1982-08-24 |
| 4295669 | Thermal insulation especially for pipe, flanges and fittings | Steve A. LaPrade | 1981-10-20 |
| 4238213 | Method of operation of a refractory fiber production process | Donald E. Shisler | 1980-12-09 |