Granted Patent
Utility
US 6,643,390 · App. 09/553,468
Compact fingerprint identification device
Inventors:
Peter P. Clark, Douglas S. Goodman, William T. Plummer
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Apr 19, 2000
Inventors
Peter P. Clark
Douglas S. Goodman
William T. Plummer
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.