Granted Patent
Utility
US 4,969,402 · App. 07/304,541
Article having permanent indicia thereon
Inventors:
Randolph W. Chan, Lawrence D. Schwartz, Richard E. Rodkey
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jan 31, 1989
Inventors
Randolph W. Chan
Lawrence D. Schwartz
Richard E. Rodkey
Assignee (at issue)
Raychem Limited
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.