Granted Patent
Utility
US 4,342,026 · App. 06/156,201
Number conversion apparatus
Inventor:
Lawrence G. Hanson
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Jun 3, 1980
Inventor
Lawrence G. Hanson
Assignee (at issue)
Burroughs, 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.