JL

John M. Liebmann

RP Research Products: 1 patents #34 of 71Top 50%
Overall (All Time): #3,980,661 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4688596 Wall outlet box for central vacuum cleaning system Thomas J. Anoszko 1987-08-25