Granted Patent
Utility
US 4,278,105 · App. 06/118,467
Spherical accumulator with buoyant float
Inventor:
Paul C. Koomey
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Feb 4, 1980
Inventor
Paul C. Koomey
Assignee (at issue)
Koomey, 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.