RM

Richard C. Marshall

SD Square D: 3 patents #171 of 756Top 25%
Xerox: 2 patents #3,932 of 8,622Top 50%
📍 Harpenden, NC: #1 of 1 inventorsTop 100%
Overall (All Time): #888,511 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5615792 Enclosure for a solid state overload relay mechanism or other device Stanley H. Edwards, Jr. 1997-04-01
5532441 Contact block having convertible normally open or normally closed electrical contact Stanley H. Edwards, Jr., Tony R. Robbins 1996-07-02
5500630 Solid state overload relay mechanism Stanley H. Edwards, Jr., Tony R. Robbins 1996-03-19
4973911 Apparatus for electromagnetic compatibility testing 1990-11-27
4359753 Maintaining Paschen breakdown voltage in electrographic printing 1982-11-16
4297695 Electrochromic display device 1981-10-27