Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384711 | Electronic lock in cylinder of standard lock | Lance Schoell, Stanley D. Kingma, Matthew O. Schroeder | 2002-05-07 |
| 6082153 | Anti-tampering device for use with spring-loaded electronically moved pin locking mechanisms in electronic locks and the like | Lance Schoell, Matthew O. Schroeder | 2000-07-04 |