RB

Ralph T. Brotz

PE Plastek Engineering: 4 patents #5 of 17Top 30%
Overall (All Time): #1,273,600 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6439518 Apparatus for camera mount on tripod platform 2002-08-27
6209830 Apparatus for camera mount on tripod platform 2001-04-03
5714525 Preparation of friction elements and compositions therefor Paschal A. Sciarra, Jr., Phillip A. Waitkus 1998-02-03
5360587 Preparation of friction elements and compositions therefor Paschal A. Sciarra, Jr., Phillip A. Waitkus 1994-11-01