Granted Patent
Utility
US 4,922,183 · App. 07/202,278
Methods, systems and apparatus for detecting changes in variables
Inventor:
Peter Kamas
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Jun 3, 1988
Inventor
Peter Kamas
Assignee (at issue)
Raychem Limited
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.