Granted Patent
Utility
US 4,928,203 · App. 07/317,239
Capacitive accelerometer with hinges on top and bottom surface
Inventors:
James L. Swindal, Walter J. Wiegand
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Feb 28, 1989
Inventors
James L. Swindal
Walter J. Wiegand
Assignee (at issue)
UNITED TECHNOLOGIES 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.