Granted Patent
Utility
US 4,661,791 · App. 06/732,464
Reed switch with high insulation
Inventors:
Tomio Wakasugi, Akinori Maeda
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: May 8, 1985
Inventors
Tomio Wakasugi
Akinori Maeda
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.