HH

Herbert L. Hardy

PO Polaroid: 3 patents #247 of 898Top 30%
📍 Sudbury, MA: #393 of 857 inventorsTop 50%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,678,590 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4618803 Current limited strobe charge circuit 1986-10-21
4227781 Projection lamp control 1980-10-14
4224563 Regulator circuit for photographic illumination 1980-09-23