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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 4178742 | Protective animal goggles An eye protection device comprising a soft, flexible plastic envelope forming a goggle enclosure contoured to comfortably conform to the angular anterior cranial features of a particular mammalian, non-human animal, such as a dog, two elastic band means f... | 12/18/1979 |
| 4176410 | Sport goggle A sport goggle is disclosed which includes a rectangular flexible frame normally disposed in planar relation and bendable to conform to a wearer's head on which the goggle may be secured by flexible straps secured to opposite ends of the frame. The frame ... | 12/04/1979 |
| 4172294 | Protective all-purpose helmet A protective helmet of the type which substantially completely surrounds the wearer's head to provide maximum protection from otherwise hazardous conditions encountered during sand blasting, steam or high pressure water jet cleaning, welding, and other op... | 10/30/1979 |
| 4150443 | Anti-fogging sports goggle A sports goggle provided with power means in the form of a miniature electrical fan mounted within the air space defined by the goggle and the face of the wearer when the goggle is in place. The fan is selectively actuatable by the wearer of the goggle to... | 04/24/1979 |
| 4141086 | Fog free ski mask A fog free ski mask including protective covering material form fitting to the head, the neck, and partial shoulder area of the user, goggles affixed to the material and adapted to fit over corrective lenses of a user, and a breathing apparatus for delive... | 02/27/1979 |
| 4141085 | Vented helmet and face shield A safety helmet has a plurality of air vents formed therein in mutually spaced relation. A face shield is affixed to the helmet and has a plurality of air vents formed therein in mutually spaced relation.... | 02/27/1979 |
| 4126131 | Facemask and goggle combination for excluding smoke or noxious gases from the goggles A face mask for supplying oxygen to personnel such as flight crews during times when there is inadequate air available, has fitted to it a device containing a passageway leading from the interior to the exterior of the mask, and a manually operable, slida... | 11/21/1978 |
| 4027342 | Goggle ventilator A two-part goggle ventilator includes a pin on one part and a pin receiving opening in the other part providing for quick, convenient and reliable attachment of the ventilator in a complementary aperture in a goggle. When assembled on the goggle, the vent... | 06/07/1977 |
| 4011595 | Defoggable goggles Goggles having a wide lens mounted in a semi-rigid frame which positions the lens away from the face providing an enclosed air space, the frame having a number of apertures permitting an influx of air, and one or more outlet apertures to which are secured... | 03/15/1977 |
| 3945044 | Goggle and accessories therefor A goggle frame includes air vents spaced along its periphery and covered with a fibrous lining to vent the goggle interior while preventing entry of foreign matter. A detachable partial-face shield has snap-in posts which mate with apertures spaced along ... | 03/23/1976 |
| 3943573 | Automatic protective shade equipment on protective visors, protective helmets or protective goggles, particularly for fusion welding Automatically operable protective means, e.g. a helmet, for use by welders, has an eye shading means which is brought automatically into shading condition upon reception of light rays or ultrasonic vibrations by a transducer and electromagnetic operator. ... | 03/16/1976 |
