DS

Duane A. Stafford

AT Advanced Lighting Technologies: 4 patents #5 of 33Top 20%
📍 Champaign, IL: #224 of 1,105 inventorsTop 25%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,037,636 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6910932 Solid mercury releasing material and method of dosing mercury into discharge lamps Timothy R. Brumleve, Steven C. Hansen, Katsumi Fukutome 2005-06-28
6791254 Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture Steven C. Hansen, Timothy R. Brumleve 2004-09-14
6339287 Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture James Sarver, Steven C. Hansen, Timothy R. Brumleve 2002-01-15
5882237 Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture James Sarver, Steven C. Hansen, Timothy R. Brumleve 1999-03-16
4462496 Method and apparatus for separating spheres from non-spheres 1984-07-31