Granted Patent
Utility
US 6,276,154 · App. 09/497,724
Two step metering device
Inventor:
Larry Pippin
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Feb 4, 2000
Inventor
Larry Pippin
Assignee (at issue)
Bristol Compressors, 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.