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United States Patent	D465,196
Dammar	November 5, 2002

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The ornamental design for a four propeller helicopter, as shown and described.

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Inventors:	Dammar; Michael (Brooklyn Park, MN)
Appl. No.:	D/152,290
Filed:	December 14, 2001

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Current U.S. Class:	D12/328
Current International Class:	1212
Field of Search:	D12/319-345 244/7C,48,51,69,78

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References Cited

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U.S. Patent Documents

D177427	April 1956	Papadakos
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3873049	March 1975	Horsdal
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4386748	June 1983	Jordan
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4976395	December 1990	von Kozierowski
5064143	November 1991	Bucher
5070955	December 1991	Lissaman et al.
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5757288	May 1998	Dixon et al.
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D453317	February 2002	Detore et al.

Primary Examiner: Jackson; Marcus A.
Attorney, Agent or Firm: Lewen; Elizabeth D.

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Description

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FIG. 1 is a perspective view of the four propeller helicopter of the present invention.

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