Granted Patent
Utility
US 4,127,365 · App. 05/763,523
Gear pump with suction shoe at gear mesh point
Inventors:
Thomas B. Martin, Ferdinanders Pieters
Patented Case
View Patent ↗
Granted: Nov 28, 1978
Filed: Jan 28, 1977
Inventors
Thomas B. Martin
Ferdinanders Pieters
Assignee (at issue)
Micropump, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.