Granted Patent
Utility
US 4,604,049 · App. 06/769,572
Dual rate burner construction and method of making the same
Inventors:
Jay R. Katchka, Gilbert Schultz
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Aug 26, 1985
Inventors
Jay R. Katchka
Gilbert Schultz
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.