Bernhard Bergmann — 3 Patents at Von Roll

Bernhard Bergmann has been granted 3 US patents while listed as an inventor at Von Roll. The first was granted in 1987 and the most recent in August 1993. Bernhard Bergmann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Bernhard Bergmann in Balsthal, CH.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5238384	Apparatus for producing a composite pipe in a rotating drum	Peter Hartmann	1993-08-24
5082614	Method for producing a composite pipe in a rotating drum	Peter Hartmann	1992-01-21
4648633	Socket joint	—	1987-03-10

Bernhard Bergmann — 3 Patents

Issued Patents All Time

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