Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319032 | Rack-mount cover plate for a timer or similar article | William R. Worrell, Dennis J. Leisz | 1991-08-13 |
| 4908784 | Method and apparatus for asynchronous time measurement | Gary William Box, Thomas S. Foote-Lennox, Rodney G. Herreid, James F. Hoff, Dennis J. Leisz +3 more | 1990-03-13 |