Granted Patent
Utility
US 4,348,114 · App. 06/211,159
Method of inspecting coated web material to detect the presence of downlines thereon
Inventors:
Denis M. Neale, deceased, Frederick J. Bontoft, John B. Ikin
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Nov 28, 1980
Inventors
Denis M. Neale, deceased
Frederick J. Bontoft
John B. Ikin
Assignee (at issue)
Ciba-Geigy
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.