Granted Patent
Utility
US 4,848,943 · App. 07/037,496
Method and apparatus for energizing a printhead
Inventor:
David W. Sutcliffe
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Apr 13, 1987
Inventor
David W. Sutcliffe
Assignee (at issue)
Micro Peripherals, 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.