Granted Patent
Utility
US 4,654,290 · App. 06/822,728
Laser markable molding compound, method of use and device therefrom
Inventor:
Keith G. Spanjer
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Jan 27, 1986
Inventor
Keith G. Spanjer
Assignee (at issue)
Motorola, Inc.
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.