IP Library › Granted Patent US 4,275,546
Granted Patent Utility
US 4,275,546 · App. 06/109,932

Stone discriminator

Inventors: Carl E. Bohman, Peter G. Mitchell
Patented Case View Patent ↗
Granted: Jun 30, 1981 Filed: Jan 4, 1980
Inventors
Carl E. Bohman
Peter G. Mitchell
Assignee (at issue)
Sperry Corp.

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Quick Facts
Patent No.
US 4,275,546
App. No.
06/109,932
Filed
1980-01-04
Granted
1981-06-30
Kind
A