Granted Patent
Utility
US 4,026,402 · App. 05/599,679
Incremental line printer
Inventor:
William J. Byrd
Patented Case
View Patent ↗
Granted: May 31, 1977
Filed: Jul 28, 1975
Inventor
William J. Byrd
Assignee (at issue)
Centronics Data Computer 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.