Granted Patent
Utility
US 5,820,034 · App. 08/839,153
Cylindrical fluidic circuit
Inventor:
Richard W. Hess
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Apr 23, 1997
Inventor
Richard W. Hess
Assignee (at issue)
Bowles Fluidics Corporation
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.