Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340115 | Wrapper for a heat exchange unit | William E. Wright | 1982-07-20 |
| 4293093 | Co-axial fitting for use with a refrigeration circuit heat reclaim apparatus | Glendon A. Raymond, Herbert J. Spath | 1981-10-06 |