Granted Patent
Utility
US 5,244,243 · App. 07/934,428
Apparatus for attaching a lifting mechanism to a load
Inventors:
Boyd H. Grayson, Richard J. Beak
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Aug 24, 1992
Inventors
Boyd H. Grayson
Richard J. Beak
Assignee (at issue)
MMI 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.