Granted Patent
Utility
US 5,232,145 · App. 07/677,661
Method of soldering in a controlled-convection surface-mount reflow furnace
Inventors:
Richard C. Alley, Stephen E. Carmassi, William T. Daley, Michael Roffey
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Mar 29, 1991
Inventors
Richard C. Alley
Stephen E. Carmassi
William T. Daley
Michael Roffey
Assignee (at issue)
Watkins-Johnson Company, Inc.
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.