Granted Patent
Utility
US 4,245,151 · App. 06/102,662
Dust dispersion system for a document reader
Inventor:
Robert J. Thomas
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Dec 12, 1979
Inventor
Robert J. Thomas
Assignee (at issue)
Key Tronic 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.