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Schaefer; Philipp
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Hannover, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Leather, in particular split leather provided with a dressing as a...
Patent number
4,923,732
Issue date
May 8, 1990
Schaefer; Philipp
Philipp Schaefer
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Process for dressing a substantially flat substrate such as split l...
Patent number
4,874,449
Issue date
Oct 17, 1989
Schaefer; Philipp
Philipp Schaefer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL