Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D352649 | Door bolt housing assembly with integral audible alarm | — | 1994-11-22 |
| 5311168 | Lock set with self-contained door alarm and annunciator system | David H. Pease, Jr. | 1994-05-10 |