SM

Spencer C. McGrath

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,635,422 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5954421 Fluorescent tube reflector and cover 1999-09-21
4799134 Optical reflector system for fluorescent lighting fixtures David Pinch 1989-01-17
4198799 Apparatus for making exploded cellulosic fiber insulation 1980-04-22