GD

Gerald Dufrenne

UN Unitek: 4 patents #6 of 30Top 20%
Overall (All Time): #765,832 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5386092 Fast response weld head 1995-01-31
5225647 Motorized weld head 1993-07-06
5081338 Apparatus and method for monitoring weld quality 1992-01-14
4871899 Titiable electric thermode for multiple connection reflow soldering 1989-10-03
4639569 Weld resistance measuring apparatus for a spot welder 1987-01-27
4564735 Direct current pulse welder 1986-01-14
4228340 Voltage regulated capacitive discharge welding power supply 1980-10-14