Granted Patent
Utility
US 4,240,082 · App. 06/015,887
Momentumless shutdown of a jet drop recorder
Inventor:
James Yu
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Feb 28, 1979
Inventor
James Yu
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.