Granted Patent
Utility
US 4,623,874 · App. 06/667,662
Word length converter
Inventor:
Donald E. Thoma
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Nov 2, 1984
Inventor
Donald E. Thoma
Assignee (at issue)
GTE Communication Systems 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.