Granted Patent
Utility
US 5,174,666 · App. 07/834,098
Printing device having printwheel coupling means
Inventors:
Phillip M. Martinez, Hans W. Mueller
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Feb 12, 1992
Inventors
Phillip M. Martinez
Hans W. Mueller
Assignee (at issue)
Smith Corona Corp.
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.