DF

David J. First

DU Dunham-Bush: 1 patents #5 of 23Top 25%
WT Waters Technologies: 1 patents #248 of 422Top 60%
Overall (All Time): #1,557,257 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8333568 Device and methods of measuring pressure Joseph A. Luongo, John Angelosanto, Frank A. Rubino, Stanley P. Pensak, JR., Jean-Pierre Pugnaire +1 more 2012-12-18
4412788 Control system for screw compressor David N. Shaw 1983-11-01
4249866 Control system for screw compressor David N. Shaw 1981-02-10