Granted Patent
Utility
US 5,774,598 · App. 08/440,631
System and method for sample rate conversion of an image using discrete cosine transforms
Inventors:
Lon E. Sunshine, Michael L. Reisch, Munib Wober
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: May 15, 1995
Inventors
Lon E. Sunshine
Michael L. Reisch
Munib Wober
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.