Granted Patent
Utility
US 5,457,486 · App. 08/033,918
Recording sheets containing tetrazolium indolinium, and imidazolinium compounds
Inventors:
Shadi L. Malhotra, Brent S. Bryant, Doris K. Weiss
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Mar 19, 1993
Inventors
Shadi L. Malhotra
Brent S. Bryant
Doris K. Weiss
Assignee (at issue)
Xerox 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.