Granted Patent
Utility
US 6,821,035 · App. 10/119,557
Line printer with staggered magnetics
Inventor:
John W. Gemmell
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 10, 2002
Inventor
John W. Gemmell
Assignee (at issue)
PRINTRONIX, LLC
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.