Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963574 | Fail safe/fail secure lock with quick change access window | David Geringer, Richard Geringer | 2011-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963574 | Fail safe/fail secure lock with quick change access window | David Geringer, Richard Geringer | 2011-06-21 |