Granted Patent
Utility
US 4,229,748 · App. 06/012,590
Jet drop printer
Inventors:
Ted F. Williams, Charles L. Cha
Patented Case
View Patent ↗
Granted: Oct 21, 1980
Filed: Feb 16, 1979
Inventors
Ted F. Williams
Charles L. Cha
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.