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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 4272847 | Baseball player's chest protector A lightweight baseball catcher's chest protector that permits circulation of air to the user's body, one that does not absorb perspiration even after prolonged useage, has a minimum restrictive action on the movement of the user thereof, and minimizes the... | 06/16/1981 |
| 4272848 | Moisture-relieving garment A spunlaced fabric composed of random-arrayed polyester fibers is formed into a single-layer or double-layer fabric arrangement which is used to make an undergarment. The undergarment is worn by an individual and fits snugly about a selected portion of th... | 06/16/1981 |
| 4272849 | Flexible form fitting glove A glove for being worn by a workman, the glove including stainless steel plates positioned against the backhand side so to protect the hand against being crushed during various work; the glove being made of a flexible material with steel plates located be... | 06/16/1981 |
| 4272850 | Body protective pads A protective pad for use in cushioning the body has a resilient organic foam polymeric material with body cushioning properties. The pad has an undersurface facing the body and a scored top surface forming an increased flexibility in the pad to better ena... | 06/16/1981 |
| 4272851 | Hazardous environment suit In a protective garment for insulating a worker from a hazardous environment, a suit manufactured from weldable or bondable material having a double overlapping zipper construction and welded or bonded seams having a binding stitched to the outside of the... | 06/16/1981 |
| 4272852 | Garment with shoulder attached supporting straps An outer garment having means affixed to the shoulders for removably securing a knapsack at either the front, the rear, or knapsacks at both the front and rear of the garment is disclosed. A pair of shoulder straps, each extending over one of the shoulder... | 06/16/1981 |
| 4272853 | Cold weather hood for safety hat A knitted hood for use with hard hats to provide cold weather protection for a wearer. The hood is tubular, including an upper portion adapted to be stretched over a hard hat and lower face mask portion capable of being extended over a wearer's face and n... | 06/16/1981 |
| 4272854 | Bi-leaflet heart valve A heart valve prosthesis having an annular valve body defining a central passageway which is closed by a pair of pivoting leaflets. Projections extending laterally from each of the leaflets are received in socket means provided at generally diametrically ... | 06/16/1981 |
| 4272855 | Anchoring surface for a bone implant The anchoring surface of the bone implant is provided with villi (depressions or projections) devoid of corners and edges. The villi are of generally conical shape with transition surfaces merging into the base level of the anchoring surface. The villi al... | 06/16/1981 |
| 4272856 | Disposable air-bearing patient mover and a valve employed therein A thin flexible film bag, oriented horizontally or integral therewith and preferably bearing an absorbent material chuck on its upper wall, forms a plenum chamber. A lower wall underlying the chuck and including small diameter perforations to create an ai... | 06/16/1981 |
| 4272857 | Lifejacket A lifejacket has an inflatable body defining a head receiving opening having a closed periphery. The opening is elongated to reduce the stress tending to open the seam at the periphery of the body when inflated. Restraints join the periphery of the openin... | 06/16/1981 |
| 4272858 | Method of making a moccasin shoe A moccasin shoe is proposed to be made by a method which comprises cutting the parts of an upper including a vamp, preparing the underside of the vamp for fusing, assembling the back part of the shoe, placing and fixing the thus formed and prepared upper,... | 06/16/1981 |
| 4272859 | Method for manufacturing overshoes made of non-woven fabric The present invention relates to a method for making an overshoe made of non-woven fabric, wherein a blank is used, constituted by two identical sheets in the form of a parallelogram and connected along one of their large sides by a gusset adapted to form... | 06/16/1981 |
| 4272860 | Drain auger controlling tool A drain auger guiding tool comprises an elongated rigid body having at its front a reaction surface facing to one side of the body. A medial portion of an auger is engaged against that surface while a more rearward portion of the auger extends along the b... | 06/16/1981 |
| 4272861 | Carpet cleaning device The carpet cleaning device of this invention includes a liquid application means, liquid removal means and carpet brushing means. A reciprocating motion is provided to a pivoted brush by means of a rotary shaft having an oblique crank portion carrying a b... | 06/16/1981 |
| 4272862 | Skinning apparatus A substantially vertical drum skinning apparatus includes an improved knife, a cushioned drive and an overriding brake, all for improving a skinning operation. The knife is pivoted near the drum and is spring biased toward the drum to an adjustable stop, ... | 06/16/1981 |
| 4272863 | Shackling apparatus for live poultry An apparatus for shackling and handling live poultry is based on gathering the live fowl on foot at the farm and conveying successive groups of the gathered fowl into shackles in which the live fowl are transported from the farm to the processing plant. A... | 06/16/1981 |
| 4272864 | Method for making food patty A method and apparatus are disclosed for forming a relatively porous patty of plastic food material that is subject to shrinkage during cooking. One embodiment of the apparatus includes a foraminous member having a plurality of apertures and a piston slid... | 06/16/1981 |
| 4272865 | Method of making a beater roll The invention relates to the method of making a beater roll comprising a body and a saw tooth wire helically fitted to the surface of the body wherein the helical convolutions are in spaced relation and wherein a sealant is employed to seal repetitive gap... | 06/16/1981 |
| 4272866 | Web guiding device for a carding machine A carding machine has a web delivering assembly including cooperating upper and lower rollers and a web guiding device for withdrawing and gathering a fiber web discharged by the web delivering assembly. The web guiding device includes a guide element arr... | 06/16/1981 |
| 4272867 | Apparatus for loading a rope-like strand of fibers into spinning cans The apparatus is usable with a funnel wheel and a tube which undergoes tumbling movements for receiving a rope-like strand of fibers from a card or drawing frame and piling the strand of fibers in cycloidal loops in a ramp, through which the rope-like str... | 06/16/1981 |
| 4272868 | Device for obtaining a control signal corresponding to the density of the fibre web lying on a fibre-carrying element of a card A device for obtaining a control signal corresponding to the density of the fibre covering lying on a fibre carrying element such as the cylinder, the licker-in, the take-off roller, or the doffer of a card. The device includes a holder which extends over... | 06/16/1981 |
| 4272869 | Unitized attachment device What is disclosed is the construction of a unitized attachment device utilizing a common snap fastener which allows ornamentation and/or jewelry to be readily placed in the hair, or may be used as a fastener for a wide variety of ornaments for personal or... | 06/16/1981 |
| 4272870 | Synthetic plastics tie member A one-piece tie of synthetic plastic material is disclosed having a flat head through which the strap passes, after looping around a bundle of cables for example, for its serrations to interlock with the teeth of a pawl which is pivoted at one end. The st... | 06/16/1981 |
| 4272871 | Hose coupling A coupling for hoses and companion fittings comprising a circling clamp formed of a plurality of individually identical shell members or segments. Each shell segment includes, at a first end, a bore for receiving a connecting bolt and a projection for eng... | 06/16/1981 |
| 4272872 | Device for holding a thin-walled metal cylinder A thin-walled hollow metal cylinder is rotatably held at its ends between holding flanges which are mounted with a pressure-tight seal on an opposing aligned pair of rotatable hubs. The spacing between the hubs can be adjusted. In one embodiment, the hubs... | 06/16/1981 |
| 4272873 | Stone roller The disclosure concerns a stone roller for use in a paper making machine as a pressure roller, or for other like uses. The stone roller may be comprised of granite. To prevent roller cracking and sagging, it is axially stressed by clamping plates at oppos... | 06/16/1981 |
| 4272874 | Apparatus for stuffing compressible products into flexible covers A method of stuffing an aerated expanded flexible filler into a snug fitting cover, wherein air is evacuated from the filler while resting upon a support so as to shrink the filler and permit rapid application of the cover thereto. The apparatus includes ... | 06/16/1981 |
| 4272875 | Device to align the end fittings in the casting of concrete piles A device for use in casting concrete piles in a mold consisting of a bottom section and two side walls. The piles are formed with lengthwise reinforcement rods, on the ends of which are attached interconnecting members passing through the end fittings of ... | 06/16/1981 |
| 4272876 | Method of repairing one-way clutch drive assemblies A one-way clutch having radially movable sprags is utilized to repair a drive assembly including a carrier which drives an output gear through the one-way clutch with the worn surfaces on the carrier and the gear being ground down a total of 0.006 inches ... | 06/16/1981 |
| 4272877 | Method of manufacturing mechanical parts from metal scrap A method of manufacturing mechanical parts from the raw material of metal scrap such as shavings and turnings of castings and steel and press chips of steel, includes the steps of: preparing the metal scrap including shavings and turnings; forming a bille... | 06/16/1981 |
| 4272878 | Method for making hyperextension orthosis An anterior total contact hyperextension orthosis apparatus method of making a hyperextension orthosis. A stockinette is placed on a patient's body and marked for pre-determined patient features. A cast is formed on the patient's body for making a drape m... | 06/16/1981 |
| 4272879 | Methods and apparatus for making electrical connectors This invention relates to methods and apparatus for making electrical connectors and, in one embodiment suitable for use with a multiplicity of parallel planar arrayed, spaced-apart insulated conductors, comprises means for and the steps of retainably pos... | 06/16/1981 |
| 4272880 | MOS/SOS Process An MOS process for fabricating multi-layer integrated circuits particularly suited for SOS fabrication is disclosed. Transistors are fabricated both on the substrate level and in an overlying polysilicon layer. Processing techniques for aligning source an... | 06/16/1981 |
| 4272881 | Method for making a closed gate MOS transistor with self-aligned contacts with dual passivation layer A method of manufacturing a closed gate MOS transistor having a self-aligned drain contact is presented which insures that the drain contact will have the minimum required geometry. The method employs a self-aligned procedure which insures that the drain ... | 06/16/1981 |
| 4272882 | Method of laying out an integrated circuit with specific alignment of the collector contact with the emitter region The method entails laying out NPN transistors in a bipolar integrated circuit in a manner which prevents crystal dislocations from making the transistor unreliable. The long edges of the collector contacts are aligned in a direction substantially perpendi... | 06/16/1981 |
| 4272883 | Continuous film carrier wire connecting system A crimping system for crimping electrical wire connectors which have a body with a plurality of longitudinal wire receiving openings in one end and a cap telescopically received in one face of the body for movement into the body from an open position to a... | 06/16/1981 |
| 4272884 | Shaving apparatus A shaving apparatus comprises a cutting unit provided with at least one cutter having associated therewith a lead cutter movable relative to the cutter. The lead cutter is connected to the cutter by means of a connecting element formed of a material havin... | 06/16/1981 |
| 4272885 | Shaving cartridge A razor cartridge including a blade seat, a seat blade, a cap blade, a cap and a spacer between the blade wherein cutting edges of the blades are exposed for shaving. The spacer is provided with a series of projections, at least some of which extend beyon... | 06/16/1981 |
| 4272886 | Shaver unit A shaver unit comprises at least one blade unit, a case member and a cover member. The case member has a blade accommodating space defined therein for accommodating the blade unit while the shaver unit is not in use for shaving and a blade fitting recess ... | 06/16/1981 |
