Granted Patent
Utility
US 6,357,633 · App. 09/618,180
Fast opening aerosol valve
Inventors:
Franz Zimmerhackel, Gerd Brachmann
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Jul 18, 2000
Inventors
Franz Zimmerhackel
Gerd Brachmann
Assignee (at issue)
Precision Valve Corporation
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.