Granted Patent
Utility
US 4,531,464 · App. 06/632,998
Particle fuel diversion structure
Inventor:
Roger D. Eshleman
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Jul 20, 1984
Inventor
Roger D. Eshleman
Assignee (at issue)
Eshland Enterprises, Inc.
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.