Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5122569 | Toughened compositions of polyamide and functionalized rubber block or graft copolymers A thermoplastic multiphase composition is provided which is a melt blend of a functionalized block or graft copolymer and a polyamide. The blend is made from polymers. That is, an elastomeric polymer is blended with a reactive polymer having a functionali... | 06/16/1992 |
| 5115806 | Continuous passive motion device for imparting a spiral motion to the digits of the hand A continuous passive motion device is provided which imparts a reciprocating spiral motion to one or more fingers of a user. The device can also be adapted for use with a thumb. The motion is achieved by linking a rotary motion of the device to a linear m... | 05/26/1992 |
| 5116540 | Free-radical modified carbon black filled polypropylenes Peroxide-provided free-radical molecular weight distribution narrowing of polypropylenes in the compounding stage of making conductive polypropylenes yields carbon black filled polypropylenes with improved rheological properties, surface conductivity, app... | 05/26/1992 |
| 5100539 | Dual-screen particle sizing apparatus and method An apparatus and method for sizing and separating particles of a material. The apparatus includes a stand, a frame having a pair of ends and an intermediate portion, and suspension assemblies attached to the stand and the frame for movably suspending the ... | 03/31/1992 |
| 5081194 | No-post-cure method of curing polyacrylate polymers A no-post-cure method of curing polyacrylates having dual cure sites is accomplished with a two-part curing system or a combined one-part curing system. The two-part curing system consists of one or more metallic acid salts and an ammonium and/or phosphon... | 01/14/1992 |
| 5080813 | Lubricant composition containing dialkyldithiophosphoric acid neutralized with alkoxylated aliphatic amines Amine salts having utility in metalworking operations is disclosed. The amine salts are prepared by the reaction of (A) a dihydrocarbyldithiophosphoric acid of the formula ##STR1## wherein R1 and R2 are hydrocarbyl-based groups indep... | 01/14/1992 |
| 5079283 | Free-radical modified fire-retardant polypropylenes A flame-retardant polypropylene composition comprises a modified polypropylene-based polymer, antimony oxide or sodium antimonate, and a halogenated organic compound or, in lieu thereof, a phosphorous-containing compound. The polypropylene-based polymer i... | 01/07/1992 |
| 5079304 | Polyacrylate with substituted urea or thiourea retarder and ammonium or phosphonum compounds A dual cure site polyacrylate polymer is provided which utilizes an aliphatic or aryl substituted urea or thiourea as a retarder to inhibit scorch during processing. While the polymer utilizes a retarder, compression set characteristics are not harmed and... | 01/07/1992 |
| 5061441 | Highly wear-resistant roll steel for cold rolling mills A steel from which rolls for a cold rolling mill are made and which gives to the rolls very excellent wear resistance in addition to thermal shock and spalling resistances and various mechanical characteristics is provided. Said steel comprises: C : 0.70 ... | 10/29/1991 |
| 5033347 | Boiler tube cutting apparatus An apparatus for cutting boiler tubes comprising a movable carriage having a cutting means where the carriage and cutting means are supported on a lateral supporting beam secured adjacently to a bank of boiler tubes. The movable carriage means is stabiliz... | 07/23/1991 |
| 5025051 | Synthetic resin composition This invention relates to synthetic resin compositions comprising a mixed product of (a) a compound having at least one piperidyl group, (b) perchloric acid and (c) optionally an inorganic substance other than perchloric acid in an amount of 0.01-10 parts... | 06/18/1991 |
| 5017630 | Free flowing particles of an emulsion polymer having SiO2 incorporated therein High amounts of silicon dioxide are readily incorporated into an emulsion polymerized elastomer by mixing an aqueous dispersion of silicon dioxide with a latex of the emulsion polymer and subsequently spray drying the mixture. Free flowing, fine-size (e.g... | 05/21/1991 |
| 5016784 | Applicator for highly reactive materials An applicator syringe for containing and dispensing moisture-sensitive or moisture-reactive adhesives comprises a generally sealed barrel containing a plunger having a non-stick polymeric seal and a hydrocarbon grease disposed between the seal and the adh... | 05/21/1991 |
| 5008345 | No-post-cure method of curing polyacrylate polymers A no-post-cure method of curing polyacrylates having dual cure sites is accomplished with a two-part curing system or a combined one-part curing system. The two-part curing system consists of one of more metallic acid salts and an ammonium and/or phosphon... | 04/16/1991 |
| 5007778 | Portable power tool for milling tube ends A portable gas operated rotary tool is provided for milling a surface on the end of a cylindrical workpiece. The tool has a motor powered by a pressurized gas, such as compresseed air. The motor directly drives a rotary milling head which is axially align... | 04/16/1991 |
| 4992494 | Halogen-containing resin composition A halogen-containing resin composition comprising (A) 100 parts by weight of a halogen-containing resin, (B) 0.1 to 10 parts by weight of at least one amino acid zinc salt selected from glycine zinc salt and zinc glutamate, (C) 0.10 to 5 parts by weight o... | 02/12/1991 |
| 4962756 | Continuous passive motion device for imparting a spiral motion to the digits of the hand A portable CPM machine is presented for causing controlled continuous passive motion of one or more of the digits of a patient's hand. The device is mounted on the dorsal surface of the hand for motion of the four fingers and is mounted on the palmar aspe... | 10/16/1990 |
| 4941705 | Frame assembly for pickup truck bed cover A frame assembly is mounted on a pickup truck for selectively removably attaching a flexible cover over an open bed of the truck. The truck bed is defined by a pair of spaced, parallel upright sidewalls and a pair of spaced, parallel upright front and rea... | 07/17/1990 |
| 4915552 | Portable power tool for milling tube ends A portable gas operated rotary tool is provided for milling a surface on the end of a cylindrical workpiece. The tool has a motor powered by a pressurized gas, such as compressed air. The motor directly drives a rotary milling head which is axially aligne... | 04/10/1990 |
| 4891409 | Single phase shape-transformable elastomeric compounds Crystalline elastomeric network compositions are transformable from their original cured shape into an altered shape and subsequently back to their original shape. The transformation process, which is repeatable, is effected by the simultaneous applicatio... | 01/02/1990 |
| 4889454 | Portable power tool for milling tube ends A portable gas operated rotary tool is provided for milling a surface on the end of a cylindrical workpiece. The tool has a motor powered by a pressurized gas, such as compressed air. The motor directly drives a rotary milling head which is axially aligne... | 12/26/1989 |
| 4833194 | Elastomeric thermoplastic compositions Blends of crystalline and amorphous polymers are utilized to form uncured thermoplastic elastomer compositions which have good properties such as processability, tensile strength, tear strength, good weatherability, good friction, and especially low defor... | 05/23/1989 |
| 4828290 | Perpetual calendar which utilizes seven month tables and methods of constructing and using the same The invention relates to a pocket calendar which is perpetual and which utilizes two arrays of elements. The first array has coordinates corresponding to the decade and the year. The elements of the array are one of fourteen designators. The second array ... | 05/09/1989 |
| 4786026 | Removable, collapsible bulkhead assembly A collapsible concrete bulkhead is insertable into a framework. The bulkhead has a pivotable divider plate which is located juxtaposition to a bulkhead plate and moves laterally thereof to reside in an offset base portion of the framework. The bulkhead as... | 11/22/1988 |
| 4749175 | Arrow fletching jig An arrow fletching jig is provided for attaching feathers to an arrow shaft. The jig contains a base plate having thereon two upstanding end walls with each end wall having an opening therein to receive the arrow shaft. One of the upstanding end walls is ... | 06/07/1988 |
| 4702351 | Self-energizing disc brakes A pressure plate for a self-energizing disc brake of the spreading type is provided with angularly spaced integrally cast ears which project inwardly from the inner peripheral edge of the plate, and a recess or dimple is also cast integrally in each ear i... | 10/27/1987 |
| 4676345 | Self-energizing disc brakes In a self-energizing disc brake of the spreading type the angular position of a pressure plate in a retracted "brakes-off" position is determined by an adjuster member comprising a cam which cooperates with the plate and of which the relative position is ... | 06/30/1987 |
| 4676024 | Expansion fit interior storm window assembly A unitary removable storm window assembly contains a window pane, a perimeter frame, and at least one side channel. The storm window assembly is unitary in that the side channel is interlockable with the perimeter frame so that the various components are ... | 06/30/1987 |
