Gerd Thielen — 2 Patents

DWDyckerhoff & Widmann: 1 patents #32 of 81Top 40%

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #2,340,044 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4633540	Tension tie member	Dieter Jungwirth, Otmar Langwadt	1987-01-06
4498527	Heat-exchanging roller	Wilhelm Gerarts, Eberhard Derichs	1985-02-12