LH

Leonard J. Hill

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,325,096 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4942833 Turf treating process and apparatus Wallace L. Hill, William Hill 1990-07-24
4872677 Croquet ball Bryan J. Dawson 1989-10-10