Granted Patent
Utility
US 5,405,740 · App. 08/233,695
Process for manufacturing stable photothermographic elements
Inventor:
Gary E. LaBelle
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Apr 26, 1994
Inventor
Gary E. LaBelle
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.