HJ

Harlan F. Johnson

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Copley, OH: #137 of 327 inventorsTop 45%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,665,856 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5056806 Trailer with axle 1991-10-15
4535674 Apparatus for control of moving strands from rotating strand supply bobbins Jeffrey F. Bull, James F. Karg, Michael E. Winiasz 1985-08-20
4529085 Self-cleaning and anti-bridging grain receiving and transporting device 1985-07-16