Granted Patent
Utility
US 4,512,207 · App. 06/414,077
Reciprocating mechanism
Inventor:
Josef J. Dancsik
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Sep 2, 1982
Inventor
Josef J. Dancsik
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.