Unmanned multi-mode vertical take off and landing aircraft

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Description

FIG. 1 is a top perspective view of an unmanned multi-mode vertical take off and landing aircraft showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D197447 February 1964 Friedrich
D388392 December 30, 1997 McGinnis et al.
5035377 July 30, 1991 Buchelt
5407150 April 18, 1995 Sadleir
5873545 February 23, 1999 Kapin et al.
Patent History
Patent number: D418805
Type: Grant
Filed: Nov 24, 1998
Date of Patent: Jan 11, 2000
Assignee: Sikorsky Aircraft Corporation (Stratford, CT)
Inventors: James P. Cycon (Orange, CT), Christopher W. DeWitt (East Haven, CT), Mark W. Scott (Bethany, CT)
Primary Examiner: Kay H. Chin
Attorney: Brian A. Collins
Application Number: 0/96,966