Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 3934513 | Grenade-firing device The invention pertains to a device for firing a grenade or similar projectile using a weapon such as a gun, of the type which comprises a tubular case affixed to the rear of the grenade, a bullet trap being inserted into the said tube, said trap consistin... | 01/27/1976 |
| 3935276 | Process for the manufacture of methyl mercaptan Process for the synthesis of methyl mercaptan by the reaction of methanol with hydrogen sulfide wherein a high degree of conversion and enhanced selectivity for the product are obtained by dividing the quantity of catalyst utilized in the reaction into a ... | 01/27/1976 |
| 3933799 | 11ଲ-Halo-9,12-unsubstituted-C19 -steroids 11ଲ-Halo-9,12-unsubstituted-C19 -steroids having hormonal activity and a process for preparing same by reacting the corresponding 11-hydroxy steroid with a compound of the formula ##EQU1## where R1 and R... | 01/20/1976 |
| 3933599 | Nitrosyl chloride as a polymerization inhibitor for vinyl aromatic compounds Disclosed is a process for the distillation of readily polymerizable vinyl aromatic compounds which comprises subjecting such compounds to distillation conditions in the presence of an effective amount of NOCl as a polymerization inhibitor in the substant... | 01/20/1976 |
| 3932919 | Improved gripper return means for a machine for simultaneously biaxially stretching thermoplastic film A biaxial stretching machine has a return line for each row of grippers, the return line including a storage region defined by a section of storage track and a screw for feeding grippers to the storage track. The screw is of diminishing pitch and is axial... | 01/20/1976 |
| 3933842 | 3-Oxadiazolyl coumarins Substituted coumarins are described having at the 7-position the group RO- where R is a substituted or unsubstituted alkyl, cycloalkyl or aralkyl group, and at the 3-position a 1,2,4- or 1,3,4-oxadiazolyl group which possesses a substituted or unsubstitut... | 01/20/1976 |
| 3932966 | Abrasive disc An abrasive disc which may be attached to a holder having a suction device associated therewith. The disc includes a body of soft, resilient material and abrasive layers on both sides. Apertures, openings, and orifices in the abrasive layers and in the ed... | 01/20/1976 |
| 3933584 | Grid for nuclear fuel assembly A spacer grid for nuclear fuel rods is formed of generally identical metal straps arranged in crossed relation to define a multiplicity of cells adapted to receive elongated fuel elements or the like. The side walls of each cell have openings for intercel... | 01/20/1976 |
| 3933796 | Antibiotics A new anhydrous form of ampicillin is described. The new form is stable and relatively highly soluble, and may be prepared by heating ampicillin trihydrate rapidly to a temperature of above about 100°C, for example by contact with a hot water-immiscible ... | 01/20/1976 |
| 3932574 | Process for preparing fibrous polyvinyl alcohol Shaped articles of polyvinyl alcohol are prepared by saponifying a liquid feed of polyvinyl ester as it cascades downwardly along the walls of a cylindrical reactor, and by taking-up from the reactor outlet the fibrous, shaped article of oriented, solid p... | 01/13/1976 |
| 3932416 | N-tetrazolyl quinaldamides Compounds of the general formula (I): ##SPC1## in which R1, R2 and R3 may be the same or different and each represents a hdyrogen atom, an alkyl group, a nitro group, a halogen atom or a group of the formula --NR4 | 01/13/1976 |
| 3932385 | Penicillins having a 6ଲ-(-etherified oximino) acylamido group The invention provides novel antibiotic compounds which are 6ଲ-acylamidopenam-3-carboxylic acids, and non-toxic derivatives thereof, characterized in that the acylamido group has the structure ##EQU1## WHERE R is a hydrogen atom or an organic g... | 01/13/1976 |
| 3932420 | Process for the preparation of glaziovine Process for the preparation of glaziovine by treating N-methyl bromococlaurine in an inert organic solvent with a tin hydride tri-substituted with organic radicals in the presence of a free radical promoter.... | 01/13/1976 |
| 3932512 | Antiviral 1,2,3,4-tetrahydro-1,-alkano naphthalenamine derivatives Amine derivatives of 1,2,3,4-tetrahydro-1,4-alkanonaphthalenes, and the use of such compounds to control viral infections, particularly influenza viruses, in warm-blooded animals are disclosed. Pharmaceutical compositions containing an effective amount of... | 01/13/1976 |
| 3931968 | Adjustable tennis racket handle A tennis racket handle is slidably adjustable along a shank and a ball movable with the handle is engageable in any of a plurality of longitudinally spaced depressions on the shank. In one form the ball is urged away from the depressions by a spring and c... | 01/13/1976 |
| 3930882 | Rechargeable galvanic cell A rechargeable galvanic cell which comprises a zinc anode, a cathode and an electrolyte wherein the electrolyte comprises an aqueous alkaline solution containing alkali metal zincate and a polycation in an amount sufficient to suppress the formation of zi... | 01/06/1976 |
| 3931429 | Surface covering materials This invention provides a process for the production of surface covering materials having a textured effect which comprises (a) applying a layer of a first foamable resinous composition on to a substrate; (b) applying a second foamable resinous compositio... | 01/06/1976 |
| 3931379 | Foamed profile extrusion process A process for the manufacture of profiled products by extruding in a substantially non-expanded state an expandable styrene polymer composition through a die orifice having the desired profile and subsequently passing the extruded material through a sizin... | 01/06/1976 |
| 3930970 | Photolysis of alcohol nitrites There is described the preparation of a mononitrate ester of a diol by photolysing in the presence of molecular oxygen a nitrite ester of an alcohol having a hydrogen atom conformationally adjacent to the hydroxy group and in which the atoms joining the h... | 01/06/1976 |