Granted Patent
Utility
US 4,976,590 · App. 07/203,926
Fluid conduit-responsively adjustable pump arrangement and pump/conduit arrangement and method, and fluid conduits therefor
Inventor:
Brian Eugene Baldwin
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Jun 8, 1988
Inventor
Brian Eugene Baldwin
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.