Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062475 | Roseless trim for architectural hardware | Donald T. Shamp, Scott B. Lowder, Thomas Courtemanche, Darren C. Eller | 2015-06-23 |
| 8544903 | Roseless trim for architectural hardware | Donald T. Shamp, Scott B. Lowder, Thomas Courtemanche, Darren C. Eller | 2013-10-01 |
| 6254402 | Push pin ground | Richard Lewis Barnes, Jr. | 2001-07-03 |
| 5865329 | Electric/pneumatic hermaphroditic connector | Gary Sumner Gay, David O. Gallusser | 1999-02-02 |
| 5681177 | Anti-decoupling device | John Henry Mikolaicyk, Walter L. Feltman, David W. MacAvoy | 1997-10-28 |
| 5679025 | Front removable insert | Richard Lewis Barnes, Jr., John Henry Mikolaicyk, David O. Gallusser | 1997-10-21 |