Granted Patent
Utility
US 5,750,464 · App. 08/837,775
Thermographic recording
Inventors:
Edward J. Dombrowski, Donna J. Guarrera, Robert L. Jones, Mark R. Mischke, John C. Warner, Jiyue Yang
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 22, 1997
Inventors
Edward J. Dombrowski
Donna J. Guarrera
Robert L. Jones
Mark R. Mischke
John C. Warner
Jiyue Yang
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.