Granted Patent
Utility
US 4,562,462 · App. 06/529,104
Color laser printer with improved efficiency
Inventor:
Richard G. Egan
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Sep 2, 1983
Inventor
Richard G. Egan
Assignee (at issue)
Polaroid 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.