DH

David L. Hendren

SL Simplexgrinnell Lp: 2 patents #15 of 52Top 30%
📍 Reading, OH: #8 of 26 inventorsTop 35%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,253,045 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7471049 Optical element driving circuit Kenneth E. Savage, Jr. 2008-12-30
7456585 Optical element driving circuit Kenneth E. Savage, Jr. 2008-11-25
D377418 Toothbrush holder 1997-01-21
D351047 Dental floss dispenser 1994-09-27