Granted Patent
Utility
US 4,775,418 · App. 06/893,728
Parting composition comprising glycerol trioleate and vegetable oil
Inventors:
Joseph T. Laemmle, John Bohaychick, Willie Lansdale
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Aug 6, 1986
Inventors
Joseph T. Laemmle
John Bohaychick
Willie Lansdale
Assignee (at issue)
Aluminum Company of America
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.