Granted Patent
Utility
US 6,474,172 · App. 09/508,605
Method for measuring the gas pressure in a container, and devices for its application
Inventors:
Norbert Rolff, Rudolf Stocker
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: May 10, 2000
Inventors
Norbert Rolff
Rudolf Stocker
Assignee (at issue)
Unakis Balzers AG
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.