Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570221 | Permanent magnetic chucking device with large force differential | David J. Altknecht, William M. Dyer, Pierre-Olivier Jubert, Ronald R. Labby, Gary M. McClelland | 2017-02-14 |
| D315924 | Portable file | Margaret C. Sweeney | 1991-04-02 |