Granted Patent
Utility
US 4,423,975 · App. 06/387,092
Form trimming apparatus and method for line printer
Inventor:
Horst M. Krenz
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Jun 10, 1982
Inventor
Horst M. Krenz
Assignee (at issue)
Heath Consultants Incorporated
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.