Franz Gutmann — 4 Patents at Plastibec

Franz Gutmann has been granted 4 US patents while listed as an inventor at Plastibec. The first was granted in 1986 and the most recent in December 1997. Franz Gutmann ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Franz Gutmann in Rebstein, CH.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5697796	Contact sleeve	Haiderali Harji, Werner Eckhardt	1997-12-16
5061893	Mounting for the rotary magnet of a rotary magnet-ratio meter	—	1991-10-29
4698188	Evaporation air humidifier	—	1987-10-06
4627862	Air cleaning apparatus	Roland Frei	1986-12-09

Franz Gutmann — 4 Patents

Issued Patents All Time

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