Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 5916664 | Multi-celled cushion and method of its manufacture A method for inflating cushioning devices which comprise at least first and second distinct chambers having an interconnecting passage providing fluid communication between the chambers. The method comprises either: (1) limiting the volume of at least one... | 06/29/1999 |
| 5915537 | Helmet A helmet including a selected combination or all of an outer shell, a liner and a comfort ring, the helmet being designed for use in winter sports and including climate control features to regulate the temperature, air flow and moisture within the helmet ... | 06/29/1999 |
| 5915533 | Inertia golf hat A hat having a brim configured to extend substantially around the head of a wearer, wherein a weight increasing means is provided on the brim to increase a radius of gyration of the hat. Typically, the weight increasing means is provided at, or adjacent t... | 06/29/1999 |
| 5911315 | Bicycle helmet and strap adapter A bicycle helmet strap having a first strap on one side of the helmet with a helmet female latch section, and a second side strap on the opposite side of the helmet with a helmet male latch section, is modified so that the helmet is be secured on the user... | 06/15/1999 |
| 5896590 | Protection device for head and body of people An automatic safety helmet and cover protection can be worn on the back, mainly of people who play sport. The protection device is stored in a rucksack casing (3) and is attached to back straps (4-6). The casing accommodates essentially a guard (11-19), a... | 04/27/1999 |
| 5896587 | Sun shield helmet assembly for bicyclist A bicycle helmet having a transparent eye shade and various interchangeable sun shield portions, along with affixed sun shield portions, also including a helmet with a built in sun shield. Sticker or stickers of various styles can be connected to all eye ... | 04/27/1999 |
| 5887289 | Safety cap with removable fabric cover This safety cap comprises a unitary shell made of a rigid, light weight and impact-resistant plastic material and forming a dome shaped body to fit the wearer's head with ventilation openings and a rear recess for the passage of a wearer's pony tail. An a... | 03/30/1999 |
| 5887280 | Wearable article for athlete with vortex generators to reduce form drag A drag reduction arrangement for the body of an athlete moving through a fluid medium, comprises a device attachable to the athlete's body for delaying the onset of boundary layer separation at a trailing surface thereof The device preferably comprises an... | 03/30/1999 |
| 5887288 | Sizing and stabilizing apparatus for bicycle helmets A bicycle helmet is disclosed having a flexible, articulated member depending from the rear of the helmet, providing a closer fit to an individual wearer's head and improving stability of the helmet on the head, particularly for mountain bike riding. The ... | 03/30/1999 |
| 5882205 | Training device for soccer A training device for teaching a soccer player the correct location to "bunt" or "head" a soccer ball. The device includes multiple layers of individual, removable pads which enable a player to gradually wean himself/herself from the training device and a... | 03/16/1999 |
| 5881393 | Headgear for wrestlers Headgear for wrestlers to cover and protect wrestler's ears and consisting of a pair of ear cover members, a plurality of straps to maintain the ear cover members in positions protecting the wrestler's ears, each of the cover members being comprised of a ... | 03/16/1999 |
| 5867840 | Safety helmet and a head protector therefor A head protector comprising an outer hard shell and an absorbing liner inside of the outer shell wherein the liner comprises a main liner member and an inner subsidiary liner member whose density is lower than that of the main liner member and with an inn... | 02/09/1999 |
| 5862528 | Safety helmet and a head protector therefor A head protector for a helmet, in which at least one groove is provided in a predetermined inner surface of an impact-on-the head absorbing liner, the predetermined inner surface including at least a top portion to face the vertex of a person with a helme... | 01/26/1999 |
| 5839121 | Cap or helmet for cooling the scalp A cooling cap or helmet containing at least one and, ordinarily, several air funnels which ventilate a sportsman's scalp during the sports activity, e.g., running or jogging, cycling, etc. The air funnels have downward flow through apertures or through du... | 11/24/1998 |
| 5832541 | Football helmet incorporating a turf guard A turf guard is fixed to the top rod of the face mask of a football helmet and is shaped to prevent any foreign matter, such as grass or the like, from being lodged between the top rod and the lower edge of the helmet.... | 11/10/1998 |
| 5833796 | Method and apparatus for forming structural articles The present invention discloses structural articles such as helmets, cooler chests, pallets, building boards and a large number of diverse articles all formed from an inner, preferably air permeable, body to which a structural strength imparting skin or l... | 11/10/1998 |
| 5822803 | Protective head covering The invention pertains to a protective head covering having a protective impact absorbing pad located therein. The head covering is mainly designed for skiing where frequent falls or spills occur. The head covering is so designed that to a casual observer... | 10/20/1998 |
| 5819322 | Energy conservative/expenditure garment Energy conservation or expenditure garments are designed for use by cyclists. The garment includes in one embodiment an air cooling system through use of various air passageways in the energy conservation garment. In another embodiment the energy expendit... | 10/13/1998 |
| 5815847 | One size fits all baseball batter's helmet A batter's protective helmet includes a relatively rigid helmet or shell defined by a crown, front, rear and opposite side portions; and padding within the helmet for protecting the head of a user. The padding includes crown, front, opposite side and rear... | 10/06/1998 |
| 5815848 | Impact resistant face shield for sporting helmets An impact resistant face shield that includes a single formed arcuate lens portion that, in a first orientation, has a first curvature extending in a horizontal direction and a second curvature extending in a vertical direction. The lens portion has a top... | 10/06/1998 |
| 5815846 | Resistant helmet assembly An impact resistant helmet assembly having a first material layer coupled to a second material layer so as to define a gas chamber therebetween which contains a quantity that provides impact dampening upon an impact force being applied to the helmet assem... | 10/06/1998 |
| 5813990 | Projected display sport goggle A projected display sport goggle that is used to provide continuous and uninterrupted feedback of information to the athlete. The goggle will permit the athlete to adjust their performance based on real time information. This information includes speed, d... | 09/29/1998 |
| 5813055 | Bicycle helmet A bicycle helmet includes a helmet body having a plurality of vents, including a front vent that is wider than high. Also, a bicycle helmet includes a helmet body having a plurality of vents, including at least one rear exit port opening outward onto a su... | 09/29/1998 |
| 5799337 | Face guard attached chinstrap for an athletic helmet A protective helmet most useful in the sport of football includes a helmet shell for enclosing a head of the wearer and further includes a face guard attached to the helmet shell and extending in front of a face opening in the helmet. A chin cup is mounte... | 09/01/1998 |
| 5794275 | Impact absorbing shield for protective gear An improved street sport impact absorbing shield including ball bearings positioned along the outer surface of the shield for providing a rolling impact surface upon a fall to translate a tangential moment of impact. The recesses include sockets or channe... | 08/18/1998 |
| 5794272 | Protective helmet with improved retention system having a rear stabilizer The invention relates to a protective bicycling helmet with a retention system having a rear support member for providing a more comfortable and secure fit on a user's head for greater protection and safety. One embodiment of the helmet has a rear stabili... | 08/18/1998 |
| 5790988 | Protective headgear A light-weight protective headgear for athletes and persons involved in activities involving a high falling risk. The protective headgear of this invention comprises a one-piece body of form-molded soft resilient closed cell foam material covered with a t... | 08/11/1998 |
| 5774901 | Sport helmet retention apparatus A sport helmet is disclosed having an inverted, generally Y-shaped, flexible back strap member spanning between a rear portion of the helmet and the helmet's chin straps to fully embrace the occipital region of the wearer's head for better helmet stabilit... | 07/07/1998 |
| 5771497 | Article of headwear An article of headwear (10) includes a solid transparent fully carbonate block (18). The block lies on top of the wearer's head and defines a non-straight light path to the wearer's eyes. The block does not obscure the majority of the normal field of visi... | 06/30/1998 |
| 5745924 | Bicycle helmet A bicycle helmet includes a helmet body having a plurality of vents, including a front vent that is wider than high. Also, a bicycle helmet includes a helmet body having a plurality of vents, including at least one rear exit port opening outward onto a su... | 05/05/1998 |
| 5745923 | Impact absorbing protective apparatus for the frontal temporal and occipital basilar skull A helmet for protection against non-motorized injuries comprises a number of arched segments with ventilation spaces between them, the arched segments being shaped to extend about and engage the skull. The helmet is constructed to cover the apical as well... | 05/05/1998 |
| 5737777 | Helmet strap assembly having contoured support member A chin strap assembly incorporating a semi-rigid, flexible support member formed of plastic or other resilient material and having upwardly extending end portions which bear upwardly against first and second sides of the wearer's jawbone, and a downwardly... | 04/14/1998 |
| 5734990 | Wearable article for athlete with vortex generators to reduce form drag A drag reduction arrangement for the body of an athlete moving through a fluid medium, comprises a device attachable to the athlete's body for delaying the onset of boundary layer separation at a trailing surface thereof. The device preferably comprises a... | 04/07/1998 |
| 5734994 | Ventilated safety helmet with progressively crushable liner A safety helmet has a hard outer shell having front and rear edges. A bowl-shaped liner with front and rear edges and a peak between the edges is contoured to fit snugly in the shell so that the front and rear edges of the liner are adjacent to the front ... | 04/07/1998 |
| 5732414 | Helmet having a readily removable and replaceable protective layer A helmet having an inexpensive polymeric protective layer for preventing or minimizing gouges, scuff marks, flares and the like to the exterior surface of the helmet is provided. The protective layer may be a post-production item which may be readily remo... | 03/31/1998 |
| 5724681 | Shock-absorbing helmet cover A protective cover apparatus for a helmet including a helmet shell with a helmet outer surface and a face exposing opening bordered by a helmet male snap fastener half protruding from the helmet outer surface, a helmet anchoring chin strap assembly having... | 03/10/1998 |
| 5718004 | Equestrian helmet An equestrian show helmet includes an impact resistant outer helmet shell formed to cover a wearer's head. The helmet shell has an upper dome-shaped portion and a lower rim extending from a forward portion of the dome, thence rearwardly to a pair of later... | 02/17/1998 |
| 5715541 | Brain and spinal cord protector A brain and spinal cord protector is provided to protect the brain and spinal cord of a user against a fall. The protector comprises a jacket which is worn about the user's torso, a head shield shaped to cover the user's head, a support extending from the... | 02/10/1998 |
| 5713082 | Sports helmet An improved helmet constructed with a rigid shell having a soft outer covering which absorbs impacts and disperses energy thereby protecting the wearer of the helmet, as well as protecting the impacting object. When used for contact sports such as footbal... | 02/03/1998 |
| 5708988 | Football helmet adjustment system A football helmet sizing card is described which permits convenient, rapid and efficient sizing and adjustment of football helmets on a football player's head. The card includes indicia which may be used to quickly and efficiently measure spacing of the f... | 01/20/1998 |