Granted Patent
Utility
US 4,749,328 · App. 06/920,787
Auxiliary hoist grapple
Inventors:
John J. Lanigan, Jr., Myron Glickman, Bernard A. Ermel
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Oct 20, 1986
Inventors
John J. Lanigan, Jr.
Myron Glickman
Bernard A. Ermel
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.