Granted Patent
Utility
US 5,215,375 · App. 07/690,737
Static shearing element
Inventors:
Lee C. Ditzler, Ronald Lemberger, Jerry F. Choy
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Apr 24, 1991
Inventors
Lee C. Ditzler
Ronald Lemberger
Jerry F. Choy
Assignee (at issue)
Trineos
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.