Granted Patent
Utility
US 4,374,338 · App. 06/178,810
Igniter structures and methods of making the same
Inventor:
Harvey J. Shopsky
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Aug 18, 1980
Inventor
Harvey J. Shopsky
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.