Add to ORKGPatent for improvement in mode of ventilating hats, bonnets, and or caps by “providing the inside of the head-coverings, at the point of contact with the head, with a liuing or an elastic spiral formed into a cushion, through which the air can freely circulate around the whole head.” (Lines 28-32) Illustration is included
Patent for a new and improved hat and towel holder. This design is "compris[ed of] a base-piece . . ...
This worldwide patent covers development of a heat exchanger cap, and method of manufacture of a hea...
Patent for "new and useful improvements in air-pressure automatic fluid vents for the use in the dis...
Patent for "a new and improved ventilated hat...which will enable others skilled in the art to make ...
Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automa...
Patent for a new and improved car-ventilator. This design consists in "an eduction pipe arranged len...
Patent for a new and improved ventilating cover. This design "consists in the detailed construction ...
Patent for a new and improved ventilator. This design consists in "a fan casing, constructed and arr...
Patent for a "new and Improved Extension Hat Brim" (lines 3-4) with folding arms to extend the brim,...
Patent for a new and improved cap. This design calls for "an adjustable pillow, which can be used wh...
Patent for improvements in ventilators and protectors for roofs relating to "a ventilating combing o...
Patent for an improvement to adjustable hatband which includes directions and illustrations
Patent for a new and improved padded hat. This design "is to provide a pad which can be quickly appl...
Patent for a new and improved ventilator. This design is "first, to ventilate cars or other vehicles...
Patent for a new and improved sun shade hat. The hat is designed to shield the wearer's head from th...
Patent for a new and improved hat and towel holder. This design is "compris[ed of] a base-piece . . ...
This worldwide patent covers development of a heat exchanger cap, and method of manufacture of a hea...
Patent for "new and useful improvements in air-pressure automatic fluid vents for the use in the dis...
Patent for "a new and improved ventilated hat...which will enable others skilled in the art to make ...
Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automa...
Patent for a new and improved car-ventilator. This design consists in "an eduction pipe arranged len...
Patent for a new and improved ventilating cover. This design "consists in the detailed construction ...
Patent for a new and improved ventilator. This design consists in "a fan casing, constructed and arr...
Patent for a "new and Improved Extension Hat Brim" (lines 3-4) with folding arms to extend the brim,...
Patent for a new and improved cap. This design calls for "an adjustable pillow, which can be used wh...
Patent for improvements in ventilators and protectors for roofs relating to "a ventilating combing o...
Patent for an improvement to adjustable hatband which includes directions and illustrations
Patent for a new and improved padded hat. This design "is to provide a pad which can be quickly appl...
Patent for a new and improved ventilator. This design is "first, to ventilate cars or other vehicles...
Patent for a new and improved sun shade hat. The hat is designed to shield the wearer's head from th...
Patent for a new and improved hat and towel holder. This design is "compris[ed of] a base-piece . . ...
This worldwide patent covers development of a heat exchanger cap, and method of manufacture of a hea...
Patent for "new and useful improvements in air-pressure automatic fluid vents for the use in the dis...