Granted Patent
Utility
US 6,284,184 · App. 09/384,866
Method of laser marking one or more colors on plastic substrates
Inventors:
Jae Hong Choi, Ronald Hernandez
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Aug 27, 1999
Inventors
Jae Hong Choi
Ronald Hernandez
Assignee (at issue)
Avaya Technology LLC
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.