Robert Hellermann — 1 Patent at Didier-Werke Ag

Robert Hellermann has been granted 1 US patent while listed as an inventor at Didier-Werke Ag. All of these patents were granted in 2001. Robert Hellermann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Hellermann in Siegen, DE.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6279915	Refractory channel with outer insulation and method for joint packing	Daniel Grimm, Raimund Bruckner, Jivan Kapoor	2001-08-28

Robert Hellermann — 1 Patent

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