Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811570 | Sleeve assembly with attached duct and drain connections for a through the wall air conditioning unit | John P. Thompson, Richmond S. Hayes, Jr. | 1989-03-14 |
| 4621682 | Tube support assembly for a heat exchanger | Robert M. Kozlowski, Richmond S. Hayes, Jr. | 1986-11-11 |
| 4513586 | Combination compressor support and drain pan | Edward B. Shelton, Richmond S. Hayes, Jr. | 1985-04-30 |
| 4492269 | Tube support assembly for a heat exchanger | Robert M. Kozlowski, Richmond S. Hayes, Jr. | 1985-01-08 |
| 4391322 | Wire guide for use with a heat exchange unit | Joseph A. Ciarlei, Curtis L. Tobin | 1983-07-05 |
| 4375804 | Multiple position leg assembly for a heat exchange unit | Joseph A. Ciarlei, Curtis L. Tobin | 1983-03-08 |