Marine sail system

Marine sail with batten attachment assembly

Marine sail with battens

Mastless sails

Material for the fabrication of sails

Method and apparatus for covering and containing a sail

Method and apparatus for obtaining maximum sail boat velocity

Method and apparatus of automatically controlling sailboat

Method for opening, closing and rotating rigid marine sail

Method for operating a rigid marine sail

Method for silencing halyards

Method of stress distribution in a sail and sail construction

Method of stress distribution in a sail, a sail embodying the sa

Monoplane and low thrust wingsail arrangements

Multisection sail body and method for making

Novel sail construction and sails made accordingly

Parachute-type sail for boats

Portable sail

Portable sail structures

Pressure sensing on rigid sails