The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 1990
Filed:
Jul. 05, 1988
Applicant:
Inventor:
Daniel D Johnston, Coronado, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B / ; B63B / ;
U.S. Cl.
CPC ...
114273 ; 114121 ;
Abstract
A high speed planing watercraft includes a pitch stabilization system having variable pitch canard airfoils controlled by a control system incorporating a gyroscope for accommodating constantly changing hydrodynamic forces on the hull.