Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8096859 | Honing tool having enhanced wear resistance properties | — | 2012-01-17 |
| 6780084 | Method for honing blind bores in workpieces | Richard F. Moellenberg, Jr., David M. Moehn | 2004-08-24 |
| 6527620 | Honing tool used to finish blind bores in workpieces and the method of using such tool | Richard F. Moellenberg, Jr., David M. Moehn | 2003-03-04 |
| 6074282 | External hone and method of making and using the same | — | 2000-06-13 |
| 5443417 | On edge honing devices | — | 1995-08-22 |
| 5390448 | Modular expandable honing tool | — | 1995-02-21 |
| 5178643 | Process for plating super abrasive materials onto a honing tool | — | 1993-01-12 |
| 5022196 | Expandable honing tool | Robert M. Sunnen, Rickey K. Wilken | 1991-06-11 |
| 4467566 | Valve seat grinding device and tool for using same | Joseph F. Ondrus, Jr. | 1984-08-28 |