DT

Donald G. Trutner

DU Duro-Test: 3 patents #3 of 20Top 15%
Overall (All Time): #1,684,955 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4350722 Hollow glass article with improved optical finish Luke Thorington 1982-09-21
4295873 Method and apparatus for reworking a hollow workpiece Luke Thorington 1981-10-20
4256989 Incandescent lamp with filament mounting means and socket adaptor Dávid Kovács, Raymond Fontana, Luke Thorington 1981-03-17