Granted Patent
Utility
US 4,582,437 · App. 06/651,704
Print pin actuator and method of making same
Inventor:
Cheng Wang
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Sep 17, 1984
Inventor
Cheng Wang
Assignee (at issue)
Centronics Data Computer Corporation
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.