Granted Patent
Utility
US 4,587,528 · App. 06/630,926
Fluid jet print head having resonant cavity
Inventor:
William R. Beaudet
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Jul 16, 1984
Inventor
William R. Beaudet
Assignee (at issue)
The Mead 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.