Granted Patent
Utility
US 4,591,997 · App. 06/555,832
Method of storing and printing image with non-reentrant basic disk operating system
Inventor:
Vernon Grabel
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Nov 28, 1983
Inventor
Vernon Grabel
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.