HH

Hans W. Haefner

PG Pfister Gmbh: 5 patents #2 of 15Top 15%
Overall (All Time): #1,060,669 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5060965 Trailer coupling with force sensing means Manfred Heimbach 1991-10-29
5025654 Pressure standard device 1991-06-25
5012679 Optical sensor 1991-05-07
4984467 Transducer for pressures and/or vibrations and method for manufacturing thereof 1991-01-15
4491016 Method and apparatus for measuring the pressure of a fluid 1985-01-01