JL

Joseph Leighton

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Gladwyne, PA: #27 of 88 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,627,302 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6043079 Cell growth apparatus for histophysiologic culture 2000-03-28
4492278 Roof bit 1985-01-08
4308351 System for growing tissue cultures David E. Butz 1981-12-29