Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746029 | Gas spring mounting assembly and method for metal forming dies | Joel T. Pyper | 2014-06-10 |
| 8733147 | Gas spring mounting assembly and method for metal forming dies | Joel T. Pyper | 2014-05-27 |
| 8616038 | Two-piece guide pin and method | Joel T. Pyper | 2013-12-31 |
| 8522595 | Guided keeper assembly and method for metal forming dies | Joel T. Pyper, Gordon L. Chaisson, Jeremie J. Yoder, Theodore A. McIntyre | 2013-09-03 |
| 8151619 | Guided keeper assembly and method for metal forming dies | Joel T. Pyper | 2012-04-10 |
| 8146399 | Modular spring retainer and method for metal forming dies and the like | Joel T. Pyper | 2012-04-03 |
| 8074486 | Guided keeper assembly and method for metal forming dies | Joel T. Pyper, Gordon L. Chaisson, Jeremie J. Yoder, Theodore A. McIntyre | 2011-12-13 |
| 7950262 | Guided keeper assembly and method for metal forming dies | Joel T. Pyper, Gordon L. Chaisson, Jeremie J. Yoder, Theodore A. McIntyre | 2011-05-31 |
| 7730757 | Guided keeper assembly and method for metal forming dies | Joel T. Pyper, Gordon L. Chaisson, Jeremie J. Yoder, Theodore A. McIntyre | 2010-06-08 |
| 7024910 | Stock lifter for metal forming dies and method for making the same | Joel T. Pyper, John K. Pyper, Charles Brown, Jeffery S. Pyper | 2006-04-11 |
| 6848290 | Stock lifter for metal forming dies and method for making the same | Joel T. Pyper, John K. Pyper, Charles Brown, Jeffery S. Pyper | 2005-02-01 |