LB

Leonard H. Brown

PH Perfection Holdings: 1 patents #14 of 29Top 50%
📍 Highland Heights, OH: #143 of 218 inventorsTop 70%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,765,941 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5397101 Ball valve Barry O'Connell, James Lorenz 1995-03-14