Stuart Denham has been granted 6 US patents while listed as an inventor at Osram Sylvania . The first was granted in 1989 and the most recent in September 2024. Stuart Denham ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Stuart Denham in Waldoboro, ME, US.
Patents per Year Patents granted per year, 1989 to 2024 Bar chart with a peak of 2 patents in 2012. peak 2 1989: 1 patents 1989 1999: 1 patents 1999 2005: 1 patents 2005 2012: 2 patents 2012 2024: 1 patents 2024
Issued Patents All Time
Profile Widget
Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12084845 Outlet aperture arrangements — 2024-09-10
8215002 Method of making a lamp coil Michael Tucker , Charles M. Coushaine , Daniel D. Devir , Paul Okerholm , Douglas K. Bottom 2012-07-10
8183760 Coils for electron discharge devices Richard Speer , Henry Hall , Brian Jones 2012-05-22
6853119 Double layer electrode coil for a HID lamp and method of making the electrode coil Charles Huntington 2005-02-08
5883468 Tungsten halogen lamp with specific fill material, fill pressure, and filament coil parameters Bonnie J. Hobbs , Paul A. Young 1999-03-16
4806817 Filament supporting multi-planar wire insert for electric incandescent lamp Owtis J. Ragland, Jr., deceased , Arnold E. Westlund, Jr. , Paul B. Reynolds 1989-02-21
$11,153,000