Rolf Ewers — 4 Patents at Unknown

Rolf Ewers has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1988 and the most recent in August 2002. Rolf Ewers ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Rolf Ewers in Kiel, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6428803	Hydroxylapatite gel	Else Spassova, Margarita Nikolova Jordanova, Dimitar Assenov Djerov, Sava Assenov Dramov, Gueorgui Nikolov Kirov +5 more	2002-08-06
5691305	Bone implant composition comprising a porous matrix, bone growth promoter proteins, and phosphotyrosyl protein phosphatase inhibitor	David J. Baylink, Axel Kirsch	1997-11-25
4938938	Process for the preparation of a hydroxyl apatite material	Christian Kasperk, Bruno Simons	1990-07-03
4770860	Porous hydroxyl apatite material	Christian Kasperk	1988-09-13

Rolf Ewers — 4 Patents

Issued Patents All Time

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