Granted Patent
Utility
US 4,645,790 · App. 06/769,542
Corrosion resistant lubricant coating composite
Inventors:
Gary T. Frey, Douglas H. Strong, Janet B. Urbanski
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Aug 26, 1985
Inventors
Gary T. Frey
Douglas H. Strong
Janet B. Urbanski
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.