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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Drake; James R.
Address:
Santa Monica, CA
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
RE31167 Wind-propelled apparatus March 8, 1983
Wind-propelled apparatus in which a mast is universally mounted on a craft and supports a boom and sail. Specifically a pair of curved booms are arcuately connected athwart the mast and secure the sail therebetween, the position of the mast and sail being controllable by the user but bei
5360357 Self-propelled watercraft November 1, 1994
A small self-propelled watercraft having a main hull and an outrigger hull that is powered by a fin like oar arrangement. The main hull seats the rider and provides the substantial portion of the buoyancy for the watercraft. The fin like oar arrangement includes a blade type fin that is
5038694 Small sailing ship August 13, 1991
A small sailing watercraft designed to be operated primarily by a single rider standing on the deck and having an improved hull configuration for improved handling in all seas and all wind conditions. The hull is hollow and is formed with a generally narrow displacement hull with a s
4651665 Hand sail March 24, 1987
A novel freely grasped hand-sail is described, which consists essentially of two profiled airfoil surfaces inclined towards each other at an angle between about 180.degree. and 120.degree., the leading edges of this hand-sail also forming an angle between about 180.degree. and 120.degree










 
 
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