Granted Patent
Utility
US 4,314,260 · App. 06/131,288
Laser pyrographic reflective recording layer in a carbon containing absorptive matrix
Inventor:
Jerome Drexler
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Mar 18, 1980
Inventor
Jerome Drexler
Assignee (at issue)
Drexler Technology 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.