Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289873 | Heat exchanger sideplate interlocked with header | Richard P. Ryan, Gary A. Halstead, Shrikant Mukund Joshi | 1994-03-01 |
| 5062476 | Heat exchanger with an extruded tank | Richard P. Ryan, Gary A. Halstead, David M. Smith, Shrikant Mukund Joshi | 1991-11-05 |