Granted Patent
Utility
US 4,899,103 · App. 07/074,256
Current meter
Inventor:
Henry S. Katzenstein
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Jul 16, 1987
Inventor
Henry S. Katzenstein
Assignee (at issue)
Brooktree 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.