Granted Patent
Utility
US 4,624,817 · App. 06/611,565
Dilatable, individually cast coating die
Inventors:
James A. Gusack, Thomas E. Smith
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: May 18, 1984
Inventors
James A. Gusack
Thomas E. Smith
Assignee (at issue)
Badische 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.