Four propeller helicopter
Description
FIG. 1 is a perspective view of the four propeller helicopter of the present invention.
Claims
The ornamental design for a four propeller helicopter, as shown and described.
Referenced Cited
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Patent History
Patent number: D465196
Type: Grant
Filed: Dec 14, 2001
Date of Patent: Nov 5, 2002
Inventor: Michael Dammar (Brooklyn Park, MN)
Primary Examiner: Marcus A. Jackson
Attorney, Agent or Law Firm: Elizabeth D. Lewen
Application Number: 29/152,290
Type: Grant
Filed: Dec 14, 2001
Date of Patent: Nov 5, 2002
Inventor: Michael Dammar (Brooklyn Park, MN)
Primary Examiner: Marcus A. Jackson
Attorney, Agent or Law Firm: Elizabeth D. Lewen
Application Number: 29/152,290
Classifications
