Granted Patent
Utility
US 6,539,814 · App. 10/044,754
Flowmeter with threadless body and float stopper
Inventors:
Michael A. Popp, Michael A. Morningstar
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 23, 2001
Inventors
Michael A. Popp
Michael A. Morningstar
Assignee (at issue)
Dwyer Instruments, LLC
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.