Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311168 | Lock set with self-contained door alarm and annunciator system | William W. Kling | 1994-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311168 | Lock set with self-contained door alarm and annunciator system | William W. Kling | 1994-05-10 |