Granted Patent
Utility
US 4,623,133 · App. 06/690,588
Clamping devices for spring assemblies
Inventors:
Geoffrey Allan Davis, Graham K. Beal
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Jan 11, 1985
Inventors
Geoffrey Allan Davis
Graham K. Beal
Assignee (at issue)
British Steel 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.