Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317955 | Bellows with annular volume fillers | — | 1994-06-07 |
| 4703622 | Thermodynamic reciprocating apparatus with a rolling convolution | — | 1987-11-03 |
| 4309872 | Bellowslike thermodynamic reciprocating apparatus | Richard A. Raser | 1982-01-12 |