Granted Patent
Utility
US 4,252,451 · App. 05/908,324
Print point reposition feature for an electronic typewriter
Inventors:
Douglas E. Clancy, Carl F. Johnson, William R. McCray, Danny Marvin Neal
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: May 22, 1978
Inventors
Douglas E. Clancy
Carl F. Johnson
William R. McCray
Danny Marvin Neal
Assignee (at issue)
International Business Machines 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.