Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8051497 | Head covering apparatus A head-covering apparatus is disclosed, which extends over the top of a human head and down its sides and toward the back of the neck. The apparatus has a forward extending portion with two pocket-style openings, the first pocket for receiving a flexible material th... | 11/08/2011 |
| 7343630 | Shade curtain freely attachable to and detachable from a hat Disclosed is a shade curtain for screening a user's face from the sunlight or the insect, which gives a considerable reduction in costs and a considerable improvement in value of commodities. The shade curtain is freely attachable to and detachable from a hat or a s... | 03/18/2008 |
| 7318534 | Disposable container cover with elastic replacement A sealable container cover includes both a flexible film and an elastic film for sealing the container cover to the wall or walls of a container. The elastic film creates an expandable opening of the container cover, which can accept containers of various sizes and ... | 01/15/2008 |
| 7310829 | Neck guard accessory for baseball caps and the like A neck guard accessory includes a body that has monolithically formed UV blocking panels. A plurality of creases define the overlapping panels into first, second and third panels respectively, which is critical for effectively allowing the user to adjust each panel ... | 12/25/2007 |
| 7143452 | Multipurpose helmet camouflage system An elasticized, weatherproof assembly adapted to being attached to a military helmet. Foliage and the like available for the surrounding terrain may be inserted into the assembly at points over the entire helmet. The present invention also provides a face and bug ne... | 12/05/2006 |
| 6889391 | Safety visor An elastic visor for detachable mounting on headwear is of sheet neoprene having a reinforcing layer of nylon, with a crown aperture that is stretched around, and grips the surface of a headwear to which it is mounted. The neoprene, of about five millimeter thicknes... | 05/10/2005 |
| 6848122 | Decorative removable helmet cover for ski, showboard, skateboard and various types of helmets A decorative removable helmet cover adapted for receipt over the top of a hard plastic exterior surface of a ski helmet, a snowboard helmet, a skateboard helmet, a bicycle helmet or hardhat for providing a unique appearance to the helmet or the hardhat. The removabl... | 02/01/2005 |
| 6802083 | Cap with improved sunshade A cap and shade combination in which the shade may be folded inside an attached pouch when not in use. The shade comprises a central portion and two wing portions such that it may be unfurled both down away from the cap and laterally in both directions around the ri... | 10/12/2004 |
| 6789268 | Cap and back sunshade A cap and shade combination in which the shade may be folded inside an attached pouch when not in use. The shade comprises a central portion and two wing portions such that it may be unfurled both down away from the cap and laterally in both directions around the ri... | 09/14/2004 |
| 6546559 | Auxiliary visor for rider's helmet An auxiliary visor for a standard riding helmet. The visor includes a bill fixed to an elongated flexible band. Facing sides of the ends of the band include mating fasteners that permit the band to surround and apply an inwardly-directed force to the exte... | 04/15/2003 |
| 6374423 | Sports helmet with full flexible brim A sports helmet with a full fabric brim. The helmet protects the skull from impact while the brim provides sun protection to the face, ears, neck, and upper shoulders. The helmet consists of a bowl-shaped, thin-walled, protective shell. The shell contains... | 04/23/2002 |
| 6260204 | Flexible protector for the back of the neck of a wearer of a hard hat A flexible protector for the back of the neck of a wearer of a hard hat. The protector includes a brim, a drape, and apparatus. The brim receives the crown of the hard hat and rests on the peak of the hard hat. The drape depends from the brim and protects... | 07/17/2001 |
| 6237162 | Helmet cover with positive attachment A cover for a helmet includes a covering portion having side portions, a top portion, a lower elastic edge, and means for attaching the covering portion to the helmet. A covered helmet assembly includes a beanie-type motorcycle helmet with a removable, ma... | 05/29/2001 |
| 6154887 | Headgear A headgear which includes a crown put on a head and having an insertion through portion, and a headgear blow-away preventing device including a connection member having one end provided with a clip clipped to a wear. The other end of the connection member... | 12/05/2000 |
| 6094749 | Removable sizing band for head wear A head wear system including a sizing band and a hat. The sizing band is distinct from the hat. The hat comprises a bill and a cap having an opening at the back as well as a headband. The head wear system also includes a first and second adjustment means ... | 08/01/2000 |
| 6061836 | Slip-on, elastic, fabric cover for hard hats and the like A slip-on, elastic, fabric cover for hard hats and the like is disclosed, designed for use with conventional hard hats and the like, constructed of an elastic material, the cover stretches to fit over and contracts to fit the contour of a hard hat structu... | 05/16/2000 |
| 5771493 | Head wear accessorization system A head wear system including a sizing band and a hat. The sizing band is distinct from the hat. The hat comprises a bill and a cap having an opening at the back as well as a headband. The head wear system also includes a first and second adjustment means ... | 06/30/1998 |
| 5704068 | Cold weather cowl A cowl to protect the head, face and neck of an individual from the cold is disclosed. The cowl includes a skull cap, ear band, neck drape and face mask. The face mask includes a breathing channel design to cause air exhaled by the individual to travel do... | 01/06/1998 |
| 5694647 | Weather-shielding accessory for headgear A flexible weather-shield accessory that can be attached to any headgear, or in the absence of other headgear, that can be worn by itself on a user's head. The accessory has a body portion capable of shielding the wearer's neck and ears. This body portion... | 12/09/1997 |
| 5592696 | Ornamental hat-brim slip cover and method of manufacture A slip cover for the brim of a hat that consists of two substantially-annular pieces of fabric having an outer edge conforming to the size of a hat brim and an inner edge at least as large as the crown of the hat. The outer edges are joined to form a slip... | 01/14/1997 |
| 5406645 | Sunshade cap with a double layer visor A sunshade cap with a double layer visor as a continue-in-part comprising an upper layer visor shaped annular or consisted of a front, a left, and a right visor and constituted of a middle layer and an upper and a lower layer made of a reflective material... | 04/18/1995 |
| 5153943 | Weather-shield hat accessory The invention is a flexible weather-shield that can be attached to any hat having a forward visor and a rear size adjustment system. The shield includes an elastic band that can be placed atop the hat's visor. The rear of the shield includes a fastening s... | 10/13/1992 |
| 5144695 | Baseball cap retention device A retaining device (10) for headwear (100); wherein, the device comprises a pair of tether members (20) operatively connected together by a slide member (30) and provided on one end with clip elements (40) having spring loaded jaws (41) which captively ye... | 09/08/1992 |
| 4345336 | Head protecting headwear Head protecting headwear in the form of a helmet is disclosed. The helmet includes a resilient, plastic shell which defines a head receiving opening and which has a protective peak. A sweatband is fastened to the shell, adjacent the head receiving opening... | 08/24/1982 |