RE

Robert L. Ewing

HO Holophane: 23 patents #1 of 38Top 3%
MA Manville: 16 patents #1 of 159Top 1%
NE Nsi Enterprises: 5 patents #7 of 58Top 15%
HL Holophane Lighting: 3 patents #5 of 18Top 30%
MS Manville Service: 3 patents #7 of 114Top 7%
AB Acuity Brands: 1 patents #57 of 95Top 60%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Newark, OH: #2 of 391 inventorsTop 1%
🗺 Ohio: #575 of 73,341 inventorsTop 1%
Overall (All Time): #43,084 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
D294066 Area light John W. Harvey, Richard G. Armstrong, Randall P. Crothers 1988-02-02
D293722 Stanchion for exterior luminaire Herbert A. Fouke, James S. Hughes, Bruce G. Bruggeman 1988-01-12
D293721 Area light John W. Harvey, Richard G. Armstrong, Randall P. Crothers 1988-01-12
4719540 Unitized mounting device for mounting electrical components of a luminaire Mark San George, Mark Rhodes, Robert Dale Zeller 1988-01-12
D287645 Industrial floodlight James S. Hughes, Bruce G. Bruggeman 1987-01-06
4538217 Floodlight luminaire James S. Hughes, Bruce G. Bruggeman 1985-08-27
4449168 Quick install device for mounting a luminaire 1984-05-15