Granted Patent
Utility
US 6,046,815 · App. 08/931,351
Retractable print medium tray for use in an optical printer
Inventor:
Bruce K. Johnson
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Sep 16, 1997
Inventor
Bruce K. Johnson
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.