Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8616814 | E-hook | Carl Martin, Charles H. Martin | 2013-12-31 |
| 5820136 | Quick release integrated collet and chuck device | Erik G. Han, Kenneth M. Montjoy, William M. Aultman, Robert A. Grogan | 1998-10-13 |
| 5755448 | Quick release chuck device | Roger J. Kanaan, Erik G. Han | 1998-05-26 |
| 5638077 | Differential GPS for fleet base stations with vector processing mechanization | — | 1997-06-10 |
| 5577743 | Quick release chuck device | Roger J. Kanaan | 1996-11-26 |
| 5511801 | Integrated collet and chuck device | Roger J. Kanaan | 1996-04-30 |