Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D446735 | Digital multimeter | — | 2001-08-21 |
| D419466 | Digital multimeter | — | 2000-01-25 |
| D412450 | Digital multimeter | — | 1999-08-03 |
| D376989 | Graphical test instrument | — | 1996-12-31 |
| D359006 | Digital clamp meter | Carol A. Young | 1995-06-06 |
| D325471 | Multimeter holster | C. Mark Nerby | 1992-04-21 |
| D289504 | Digital multimeter | Indle G. King | 1987-04-28 |
| D278889 | Digital clock/calendar | — | 1985-05-21 |
| D274521 | Cathode ray tube display housing for electronic instruments | — | 1984-07-03 |