Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408268 | Method of using pressure nitrided stainless steel hybrid bearing with a refrigerant lubricated compressor | Todd W. Smith, Arthur L. Butterworth, Paul J. Sikorsky | 2019-09-10 |
| 8613555 | Composite metal-polymer bushing and crankshaft assembly | Michael Gerard Benco, Derrick Lepak, Arther L. Butterworth, David Janda, Dennis R. Dorman | 2013-12-24 |