Granted Patent
Utility
US 4,415,394 · App. 06/322,514
Method and apparatus for uniform corona discharge bonding
Inventor:
Sidney Cholmar
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Nov 18, 1981
Inventor
Sidney Cholmar
Assignee (at issue)
National Crane 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.