Granted Patent
Utility
US 4,638,327 · App. 06/720,735
Apparatus to damp turbulence in an ink jet fluid supply chamber
Inventors:
Richard Sutera, John L. Dressler, Bruce W. Halliday
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Apr 8, 1985
Inventors
Richard Sutera
John L. Dressler
Bruce W. Halliday
Assignee (at issue)
Burlington Industries 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.