Granted Patent
Utility
US 4,177,034 · App. 05/865,406
Retrofit igniter
Inventor:
Richard E. Jones
Patented Case
View Patent ↗
Granted: Dec 4, 1979
Filed: Dec 29, 1977
Inventor
Richard E. Jones
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.