IP Library › Granted Patent US 4,637,878
Granted Patent Utility
US 4,637,878 · App. 06/356,464

Reciprocal movable screens in a vertically elongated vessel

Inventors: Johan C. F. C. Richter, Ole J. Richter
Patented Case View Patent ↗
Granted: Jan 20, 1987 Filed: Mar 9, 1982
Inventors
Johan C. F. C. Richter
Ole J. Richter
Assignee (at issue)
Kamyr, Inc.

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Quick Facts
Patent No.
US 4,637,878
App. No.
06/356,464
Filed
1982-03-09
Granted
1987-01-20
Kind
A