Granted Patent
Utility
US 4,892,708 · App. 07/068,451
Fluid separation and processing device
Inventor:
Frank W. Wogoman
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Jul 1, 1987
Inventor
Frank W. Wogoman
Assignee (at issue)
Miles 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.