Granted Patent
Utility
US 5,085,802 · App. 07/648,712
Time temperature indicator with distinct end point
Inventor:
Thomas J. Jalinski
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jan 31, 1991
Inventor
Thomas J. Jalinski
Assignee (at issue)
Oscar Mayer Foods 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.