Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226871 | Trocar needle grinder | John R. Memmelaar, JR. | 2025-02-18 |
| 7585206 | Spool to spool continuous through feed system | John Memmelaar, Sr., John R. Memmelaar, JR., Arnold S. Bunagan | 2009-09-08 |
| 7367868 | Centerless grinder | John Memmelaar, Sr., Kevin Jobes | 2008-05-06 |
| 7147542 | Centerless grinder | John Memmelaar, Sr., Kevin Jobes | 2006-12-12 |