Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772136 | Anti-slip roofing underlayment | Trevor Arthurs | 2010-08-10 |
| 7745353 | Anti-slip roofing underlayment | Trevor Arthurs | 2010-06-29 |
| 6215735 | Postage meter having non-Gregorian calendar capability | Wesley A. Kirschner | 2001-04-10 |
| 6188997 | Postage metering system having currency synchronization | Roger J. Ratzenberger, Jr., Brad L. Davies, Dale A. French, Wesley A. Kirschner, Sandra J. Peterson +1 more | 2001-02-13 |
| 6125162 | Postage meter having non-Gregorian calendar capability | Wesley A. Kirschner | 2000-09-26 |