Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149255 | Gearing system having interdigital concave-convex teeth formed as invalutes or multi-faceted polygons | — | 1992-09-22 |
| 4475346 | Refrigeration system with linear motor trimming of displacer movement | Robert A. Henderson, Peter J. Kerney | 1984-10-09 |