Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563805 | Expandable sealing mechanism | James W. Skinner, Katherine A. Bergfeld, Michael R. Miller, John R. Kaczmarczyk | 2020-02-18 |
| D814285 | Expandable sealing mechanism | Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk, James W. Skinner | 2018-04-03 |
| D813661 | Expandable sealing mechanism | Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk, James W. Skinner | 2018-03-27 |
| 9644768 | Expandable sealing mechanism | James W. Skinner, Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk | 2017-05-09 |
| D752968 | Expandable sealing mechanism | Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk, James W. Skinner | 2016-04-05 |
| 9032668 | Seal with primary and secondary sealing lobes for use in roll-up door applications | Michael R. Miller, John M. Kaczmarczyk | 2015-05-19 |