Granted Patent
Utility
US 4,786,032 · App. 07/052,397
Lifting apparatus
Inventors:
David E. T. Garman, Richard M. Rimington
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: May 21, 1987
Inventors
David E. T. Garman
Richard M. Rimington
Assignee (at issue)
Mangar Aids Limited
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.