RS

Raymond B. Schaefer

📍 Arlington, MA: #597 of 2,056 inventorsTop 30%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #870,970 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7593289 Reflectors and reflector light and sound source systems Michael Grapperhaus, John Gallagher 2009-09-22
6724134 Surface discharge lamp and system 2004-04-20
6687189 High efficiency long lifetime sparker sources John Gallagher 2004-02-03
6672729 High efficiency and projection reflectors for light and sound 2004-01-06
5945790 Surface discharge lamp 1999-08-31
5841737 Sparker source systems 1998-11-24