Granted Patent
Utility
US 4,898,892 · App. 07/362,316
Methods for preparing opaque coatings and applying the same
Inventors:
George E. Melber, Leon E. Wolinski
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Jun 6, 1989
Inventors
George E. Melber
Leon E. Wolinski
Assignee (at issue)
Pierce & Stevens Corporation
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.