Granted Patent
Utility
US 4,529,116 · App. 06/489,677
Methods of and devices for determining the soldering capability of a solder wave
Inventor:
Ernst A. Gutbier
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Apr 28, 1983
Inventor
Ernst A. Gutbier
Assignee (at issue)
AT&T Technologies Incorporated
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.