Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12129810 | System and method for deburred port holes in a two-stroke engine | Robert G. Sperry, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard, David J. Eckroth | 2024-10-29 |
| 11459977 | Piston with insulating air gap formed by additive manufacturing | Lyle E. Kocher, Dwight A. Doig, Brett A. Boas | 2022-10-04 |
| 11149681 | Piston with insulating air gap formed by additive manufacturing | Lyle E. Kocher, Dwight A. Doig, Brett A. Boas | 2021-10-19 |