Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388308 | Electronic combination lock housing | Walter R. Evans, Edward E. Pollard, Larry J. Rice | 1997-12-30 |
| D388309 | Electronic combination lock housing | James D. Hamilton, Kenneth H. Mimlitch, William Thomas Muetterties | 1997-12-30 |