Granted Patent
Utility
US 4,248,541 · App. 06/004,182
Serial printer
Inventor:
Leonard Poole
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Jan 17, 1979
Inventor
Leonard Poole
Assignee (at issue)
International Standard Electric 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.