IP Library › Granted Patent US 4,841,189
Granted Patent Utility
US 4,841,189 · App. 07/121,170

Stepper motor and method of making the same

Inventors: Roy Cooper, Charles Hansen
Patented Case View Patent ↗
Granted: Jun 20, 1989 Filed: Dec 30, 1987
Inventors
Roy Cooper
Charles Hansen
Assignee (at issue)
TRI-TECH CORPORATION

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Quick Facts
Patent No.
US 4,841,189
App. No.
07/121,170
Filed
1987-12-30
Granted
1989-06-20
Kind
A