Granted Patent
Utility
US 4,864,630 · App. 07/136,895
Method and apparatus for reading data pages on a data surface
Inventors:
Joseph Arnold, Jerome Drexler
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Dec 22, 1987
Inventors
Joseph Arnold
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.