Granted Patent
Utility
US 4,092,456 · App. 05/540,086
Transfer elements and process
Inventors:
Douglas A. Newman, Allan T. Schlotzhauer
Patented Case
View Patent ↗
Granted: May 30, 1978
Filed: Jan 10, 1975
Inventors
Douglas A. Newman
Allan T. Schlotzhauer
Assignee (at issue)
Columbia Ribbon & Carbon Mfg. Co., 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.