Granted Patent
Utility
US 4,657,150 · App. 06/853,911
Overhead crane having bridge mounted for differential movement
Inventors:
Myron Glickman, James A. Baumann
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Apr 21, 1986
Inventors
Myron Glickman
James A. Baumann
Assignee (at issue)
MI-JACK PRODUCTS, INC.
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.