Granted Patent
Utility
US 4,565,716 · App. 06/510,982
Water resistant aluminum particles and coating
Inventors:
James E. Williams, Pamela L. Claassen
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Jul 5, 1983
Inventors
James E. Williams
Pamela L. Claassen
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.