View source for Patent US-1909-1049540

Multiple corrugated planes, placed close together on different levels; "tandem compound propeller" (multiple sets of blades?)
* Tech classification [[CPC B64C39/08]]: Aircraft not otherwise provided for having multiple wings
* Inventor location: Cleveland, Cuyahoga county, OH (FIPSloc=39035, imputed by [[HistPat]])
* [[Witnesses]] and shown on the diagram page: [[Evelyn J. Skinner]] and Geo. S. Cole
* [[Witnesses]] and shown on the final text page: [[Wm. M. Monroe]] and Geo. S. Cole
=== Sources ===
{{USpatentsources|1049540}}
{{Patent
|Year filed=1909
|Year granted=1913
|Office=US
|Patent number=1049540
|Inventors=John Sharp; Edward Sharp
|Inventor country=US
|Inventor location=Cleveland, Ohio; Cuyahoga county, Ohio; Ohio
|Applicant person=John Sharp; Edward Sharp
|Applicant type=INDIV
|Applicant is inventor=Yes
|Original title=Aeroplane
|English title=Aeroplane
|Tech field=airplane; frame; airfoil; propeller; wheels; stability
|Filing date=1909/11/18
|Application number=1909528823
|Grant date=1913/01/07
|Granted=Yes
|Related to aircraft=1
|Serial number=528823
|Patent agent=Wm. M. Monroe
|National tech categories=USPC 244/45R
|CPCs=CPC B64C39/08
|Family year=1909
|First filing=Yes
|Number of text pages=2
|Number of diagram pages=1
|Number of figures=5
|Number of claims=5
|Number of citations=0
}}