Granted Patent
Utility
US 5,518,377 · App. 08/513,737
Vertical metering pump having piston biasing elastomeric gasket
Inventors:
Jean-Louis Bougamont, Pierre Dumont, Herve Lompech
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Aug 10, 1995
Inventors
Jean-Louis Bougamont
Pierre Dumont
Herve Lompech
Assignee (at issue)
SOFAB
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.