IP Library Granted Patent US 4,644,659
Granted Patent Utility
US 4,644,659 · App. 06/742,869

Transit

Inventor: Akio Takahama
Patented Case View Patent ↗
Granted: Feb 24, 1987 Filed: Jun 10, 1985
Inventor
Akio Takahama
Assignee (at issue)
Nippon Kogaku K.K.

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Quick Facts
Patent No.
US 4,644,659
App. No.
06/742,869
Filed
1985-06-10
Granted
1987-02-24
Kind
A