Granted Patent
Utility
US 4,056,115 · App. 05/683,978
Adapter for manipulating a spring loaded pushbutton
Inventor:
Morton I. Thomas
Patented Case
View Patent ↗
Granted: Nov 1, 1977
Filed: May 6, 1976
Inventor
Morton I. Thomas
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.