Granted Patent
Utility
US 4,954,839 · App. 07/383,436
Self-aligning print head assembly with advanced shielding characteristics
Inventors:
Steven Rogers, George Bockelmann, Gary Hester
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Jul 24, 1989
Inventors
Steven Rogers
George Bockelmann
Gary Hester
Assignee (at issue)
Cryptek, 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.