IP Library › Granted Patent US 4,566,640
Granted Patent Utility
US 4,566,640 · App. 06/572,155

Separating machine having overlapping screw pump

Inventors: Archie R. McFarland, Bruce L. Preece
Patented Case View Patent ↗
Granted: Jan 28, 1986 Filed: Jan 18, 1984
Inventors
Archie R. McFarland
Bruce L. Preece
Assignee (at issue)
Beehive Machinery, Inc.

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Quick Facts
Patent No.
US 4,566,640
App. No.
06/572,155
Filed
1984-01-18
Granted
1986-01-28
Kind
A