Granted Patent
Utility
US 5,975,776 · App. 08/870,757
Dot matrix print head with unitary armature assembly and method of operation thereof
Inventor:
Jeffery Groenke
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jun 9, 1997
Inventor
Jeffery Groenke
Assignee (at issue)
Axiohm Transaction Solutions, 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.