Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009081 | Modular mechanical refrigeration unit | Richard W. Kruck, Douglas D. Leclear, Steven J. Kuehl, Ralph R. Burin | 1991-04-23 |
| 5007246 | Modular mechanical refrigeration unit | Richard W. Kruck, Douglas D. Leclear, Steven J. Kuehl, Ralph R. Burin | 1991-04-16 |
| 4996848 | Method and apparatus for recovering refrigerants from home refrigeration systems | John A. Nelson, Terry L. McGath, David B. Kirby, Phalguni S. Roy, John L. Wuepper | 1991-03-05 |
| 4959111 | Heavy gas-filled multilayer insulation panels and method of manufacture thereof | Richard W. Kruck | 1990-09-25 |
| 4907419 | Modular mechanical refrigeration unit | Richard W. Kruck, Douglas D. Leclear, Steven J. Kuehl, Ralph R. Burin | 1990-03-13 |
| 4808457 | Heavy gas-filled multilayer insulation panels | Richard W. Kruck | 1989-02-28 |
| 4705105 | Locally inverted fin for an air conditioner | — | 1987-11-10 |