IP Library › Granted Patent US 4,180,326
Granted Patent Utility
US 4,180,326 · App. 05/834,636

Angle measuring apparatus

Inventor: Andrew K. Chang
Patented Case View Patent ↗
Granted: Dec 25, 1979 Filed: Sep 19, 1977
Inventor
Andrew K. Chang
Assignee (at issue)
FMC CORPORATION

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Quick Facts
Patent No.
US 4,180,326
App. No.
05/834,636
Filed
1977-09-19
Granted
1979-12-25
Kind
A