Granted Patent
Utility
US 4,988,086 · App. 07/302,826
Apparatus and method for forming sheet material assemblages
Inventor:
James R. Schlough
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Jan 26, 1989
Inventor
James R. Schlough
Assignee (at issue)
AM International, 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.