HB

Harold A. Backus

NI Nl Industries: 1 patents #92 of 213Top 45%
📍 Lansdowne, PA: #174 of 290 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,106,750 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4189805 Adjustable hinge installation — 1980-02-26