IP Library Granted Patent US 4,309,945
Granted Patent Utility
US 4,309,945 · App. 06/042,980

Flexographic printing unit

Inventor: Thomas E. Marion
Patented Case View Patent ↗
Granted: Jan 12, 1982 Filed: May 25, 1979
Inventor
Thomas E. Marion
Assignee (at issue)
Maryland Cup 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.

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Quick Facts
Patent No.
US 4,309,945
App. No.
06/042,980
Filed
1979-05-25
Granted
1982-01-12
Kind
A