Granted Patent
Utility
US 5,203,489 · App. 07/860,316
Gas shrouded wave soldering
Inventors:
John H. Gileta, Raymond J. Chartrand, Derek E. Sellen
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Mar 30, 1992
Inventors
John H. Gileta
Raymond J. Chartrand
Derek E. Sellen
Assignee (at issue)
Electrovert Ltd.
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.