Granted Patent
Utility
US 4,871,105 · App. 07/304,522
Method and apparatus for applying flux to a substrate
Inventors:
John R. Fisher, Leslie A. Guth, James A. Mahler
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Feb 1, 1989
Inventors
John R. Fisher
Leslie A. Guth
James A. Mahler
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.