Granted Patent
Utility
US 4,569,578 · App. 06/646,517
Disk camera having disk carrying peel-apart film units
Inventors:
Joseph A. Stella, Joseph B. Wright
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Sep 4, 1984
Inventors
Joseph A. Stella
Joseph B. Wright
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.