Granted Patent
Utility
US 6,089,504 · App. 08/898,138
Single engine aircraft
Inventors:
Samuel B. Williams, Elbert L. Rutan
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Jul 22, 1997
Inventors
Samuel B. Williams
Elbert L. Rutan
Assignee (at issue)
WILLIAMS INTERNATIONAL CO., L.L.C.
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.