Granted Patent
Utility
US 4,258,544 · App. 05/942,567
Dual fluid fuel nozzle
Inventors:
Daniel E. Gebhart, Brace C. Smith, D. Craig Young, Jerry A. Damerell
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Sep 15, 1978
Inventors
Daniel E. Gebhart
Brace C. Smith
D. Craig Young
Jerry A. Damerell
Assignee (at issue)
Caterpillar Tractor Co.
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.