DS

Donald D. Szymanek

TH Thin-Lite: 4 patents #4 of 12Top 35%
Overall (All Time): #885,771 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D435131 Light fixture 2000-12-12
D307059 Recessed lighting fixture 1990-04-03
4891737 Quick fit diffuser lens apparatus 1990-01-02
D300874 Fluorescent light fixture 1989-04-25
D300471 Fluorescent light fixture 1989-03-28
4772216 Light fixture with reversible mounting end caps 1988-09-20