Granted Patent
Utility
US 6,210,073 · App. 09/201,548
Multi-level fluid transfer apparatus, system and process
Inventors:
Mark D. Buehlman, Frederick C. Payne, Daniel T. Rogers
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Nov 30, 1998
Inventors
Mark D. Buehlman
Frederick C. Payne
Daniel T. Rogers
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.