Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11978425 | Percussion instrument and method of manufacturing the same | James Gordon Krzewski | 2024-05-07 |
| D791847 | Welding transformer | Mark B. Siehling | 2017-07-11 |
| 5251502 | Sequential pivot pin multiplier | Ronald J. Eisbrenner, Edward E. Sunderman | 1993-10-12 |