IP Library Granted Patent US 4,750,253
Granted Patent Utility
US 4,750,253 · App. 06/944,116

Method and apparatus for producing a flat spiral link assembly

Inventors: Fritz Bleher, Klaus Esser, Hans-Eugen Hacker, Rudi Hess-Bauer, Eugen Kehrer, Hartmut Waldvogel
Patented Case View Patent ↗
Granted: Jun 14, 1988 Filed: Dec 22, 1986
Inventors
Fritz Bleher
Klaus Esser
Hans-Eugen Hacker
Rudi Hess-Bauer
Eugen Kehrer
Hartmut Waldvogel
Assignee (at issue)
Hermann Wangner GmbH & Co. KG

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Quick Facts
Patent No.
US 4,750,253
App. No.
06/944,116
Filed
1986-12-22
Granted
1988-06-14
Kind
A