Granted Patent
Utility
US 4,954,544 · App. 07/319,112
Modified adhesive composition which undergoes color changes upon application
Inventor:
Ashok Chandaria
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Mar 3, 1989
Inventor
Ashok Chandaria
Assignee (at issue)
CONROS 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.