Granted Patent
Utility
US 4,479,040 · App. 06/473,032
Tactile feel switch with positive switch actuation
Inventors:
Ronald S. Denley, Anthony J. Van Zeeland
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Mar 7, 1983
Inventors
Ronald S. Denley
Anthony J. Van Zeeland
Assignee (at issue)
Oak Industries Inc.
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.