Granted Patent
Utility
US 6,047,946 · App. 09/031,576
Blocking structure for preventing actuation of a valve for pressurized containers
Inventor:
Guenter Kolanus
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Feb 27, 1998
Inventor
Guenter Kolanus
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.