Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891912 | Refrigerator door assembly with multiple gasket sealing arrangement | — | 1990-01-09 |
| 4831780 | Refrigerator door assembly with thermal break frame | — | 1989-05-23 |
| 4753043 | Pivotally mounted insulated glass door assembly with self-contained structural support frame | — | 1988-06-28 |
| 4741127 | Refrigerator door with thermal insulated outer frame | — | 1988-05-03 |
| 4656781 | Sliding door assembly | Francis M. Niekrasz, Melvin Kaspar | 1987-04-14 |
| 4641461 | Sliding door assembly | Francis M. Niekrasz, Melvin C. Kasper | 1987-02-10 |
| 4578902 | Reversible refrigerator door with improved electrical outlet mounting arrangement | Francis M. Niekrasz | 1986-04-01 |