Granted Patent
Utility
US 6,301,438 · App. 09/661,236
Film advancement assembly for a self-developing camera
Inventors:
Michael N. Burdenko, Juan C. Vandijk, Kenneth J. Launie
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Sep 13, 2000
Inventors
Michael N. Burdenko
Juan C. Vandijk
Kenneth J. Launie
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.