Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764071 | Door management system for field service and delivery personnel | William P. Lanigan, John J. Wepfer, Maciej Labowicz, Gerald F. Chalko, Jr. | 2014-07-01 |
| 7806326 | Door management system for field service and delivery personnel | William P. Lanigan, John J. Wepfer, Maciej Labowicz, Gerald F. Chalko, Jr. | 2010-10-05 |