Granted Patent
Utility
US 5,735,153 · App. 08/834,141
Pin tumbler cylinder luck with shearable assembly pins and method and apparatus of manufacture
Inventors:
Robert Harold Hanneman, James George Wagner, Steven A. Fantl
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Apr 14, 1997
Inventors
Robert Harold Hanneman
James George Wagner
Steven A. Fantl
Assignee (at issue)
Master Lock Company LLC
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.