Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4819845 | Ski carrier apparatus A ski carrier apparatus for carrying elongate skiing equipment such as snow skis and ski poles. The apparatus comprises a load-carrying element which is formed from a rod-like structural member, and which is characterized by a concave hook section dispose... | 04/11/1989 |
| 4819955 | Mobile storage tank battery A storage tank battery connectable between a towing frame and a dolly for transport via clevises on the tank battery and apertured plates extending from connecting frames mounted on the towing frame and the dolly. The connecting frame on the towing frame ... | 04/11/1989 |
| 4818997 | Remote output indicator for providing output indications from a remotely located radar detector A remote indicator for use with an existing radar detector wherein a remote unit is located near the existing radar detector for sensing output indications from the radar detector and for providing output signals in response to and indicative of the radar... | 04/04/1989 |
| 4818516 | Method of nutritional assessment and therapy A method for assessing nutritional status and treating a nutritional disorder in a subject. The subject's intracellular status is monitored by measuring selected intracellular amino acids and at least one intracellular metabolic process. Primary intracell... | 04/04/1989 |
| 4814185 | Apparatus for repairing breaks in glass A system for repairing breaks in laminated and plate glass utilizing a glass replacement chemical wherein glass replacement chemical is disposed in a dispenser having a dispensing end. The apparatus includes a base and an injector tube supported on the ba... | 03/21/1989 |
| 4813451 | Swing check valve with removable cartridge A replaceable cartridge for a swing check valve which includes the valve seat, disc and hinge pin retainer, wherein the hinge pin retainer is secured in position by deforming a portion of the cartridge.... | 03/21/1989 |
| 4812088 | Doweling tool A doweling tool for drilling a dowel hole in concrete to facilitate the insertion of dowels, the doweling tool having a guide bar, a support frame for supporting the guide bar, a carriage movingly connected to the guide bar, a pneumatically operated drill... | 03/14/1989 |
| 4811434 | Spa with an improved air channel and method for constructing same A spa having a base with an upper and a lower surface and a plurality of base air holes formed through predetermined portions of the base, and an air channel connected to the lower surface of the base for channeling air through the base air holes. The air... | 03/14/1989 |
| 4811929 | Needle valve seat A valve seat having a tubular valve seat wall portion that extends about a frusto-conical valve member that moves longitudinally into the valve seat to close a valve in which the seat and valve member are included. Coaxial openings are formed through the ... | 03/14/1989 |
| 4809741 | Check valve A swing check valve wherein the valve seat, disc and hanger for the disc are in the form of a replaceable cartridge which can be conveniently inserted in and removed from the valve chamber through one end of the valve body. The hanger is sized such that t... | 03/07/1989 |
| 4809738 | Swing check valve A swing check valve having a readily replaceable valve seat and having a cage surrounding the disc in the final closing movement of the disc sized to guide the disc evenly onto the seat.... | 03/07/1989 |
| 4809739 | Check valve A swing check valve wherein the valve seat, disc and hanger for the disc are in the form of a replaceable cartridge which can be conveniently inserted in and removed from the valve chamber through one end of the valve body. The hanger is sized such that t... | 03/07/1989 |
| 4804695 | Method and composition for producing and installing cellulosic installation Methods for producing spray cellulosic insulation and for wet spray open cavity installation of such material. Processed cellulosic fibers are moistened with an expansion agent, preferably comprising water with a wetting agent mixed therein. For installat... | 02/14/1989 |
| 4801938 | Remote output indicator for providing output indications from a remotely located radar detector which is adapted to be used in connection with a brake light indicator A remote output indicator for use with a radar detector providing a perceivable output indication to detect signals from an operating radar within an automobile having a rear window and a rear deck disposed near the rear window. The remote indicator inclu... | 01/31/1989 |
| 4790826 | Percutaneous access port A percutaneous access port for providing access to a selected organ in an animal which includes a base assembly and a septum assembly. The base assembly has a fluid chamber formed in a portion thereof generally between an upper and a lower end of the base... | 12/13/1988 |
| 4784942 | Monoclonal antibodies against autoimmune RNA proteins Monoclonal antibodies against autoimmune RNA proteins such as La/SSB, Ro/SSA, nNP, and Sm. These monoclonal antibodies which are produced by a continuous hybridoma cell line, may be used in methods for detecting the presence of selected autoimmune RNA pro... | 11/15/1988 |
| 4782855 | Check valve seat and cage retainer A swing check valve where the cage is a ring-like member supporting the disc or clapper where the disc is loaded from the downstream end of the body and held in operating position by a tubular retainer extending from the downstream end of the body. The ca... | 11/08/1988 |
| 4781214 | Swing check valve disc A disc for a swing check valve where the body of the disc and the hinge pins are cast as one piece to facilitate the alignment of the hinge pins with the sealing face of the disc. The swing radius of the disc is at a minimum and a spring closure is provid... | 11/01/1988 |
| 4781212 | Swing check valve with removable cage and disc A swing check valve having the disc supported in a surrounding cage and constructed with a minimum swinging arc. The cage is designed to permit the swinging movement of the disc through approximately 90° and the case is constructed to guide the disc in i... | 11/01/1988 |
| 4779677 | Oil well fluid processing system An oil well fluid processing system having a heater-treater and a gas separator mounted on a skid constructed in three sections that can be pinned together for transport. The heater-treater is pivotally mounted on the central section of the skid for pivot... | 10/25/1988 |
| 4776521 | Apparatus and method for producing weighed charges of loosely aggregated filamentary material from compacted bales of the material Bales of filamentary material are separated into weighed charges of the material by disintegrating the bales in a rotating drum to produce tufts that are passed to a picking chamber wherein a toothed roll strips individual filaments from a supply roll for... | 10/11/1988 |
| 4773182 | Article forming system An article forming system for forming at least one sheet of material into an article, such as a decorative flower pot cover for example, and a novel article formed utilizing such a system. The article forming system includes a male die, a female die and a... | 09/27/1988 |
| 4770906 | Producing polymeric films from a surfactant template A method for producing polymeric films in which a substrate surface is contacted with a surfactant solution, comprising a liquid in which at least a first surfactant is dissolved, so that an interface is formed between the substrate surface and the surfac... | 09/13/1988 |
| 4767100 | Drilling rig with hoist transportable by a vehicle An improved drilling rig which is mounted on a trailer to be transported from one location to another. The drilling rig includes a hoist for raising and lowering equipment, the hoist including hydraulic cylinders and a pair of cables. One end of each cabl... | 08/30/1988 |
| 4764469 | Streptokinase-coding recombinant vectors A recombinant vector adapted for transformation of a suitable bacterial microorganism host to produce and secrete streptokinase. The recombinant vector comprises a plasmid into which a polydeoxyribonucleotide fragment from Streptococcus equisimilis H46A w... | 08/16/1988 |
| 4763605 | Milking system A milking system for cows having a pair of parallel rows of milking stalls on an upper floor and an operator's cart adapted to move along the rows of stalls on a lower floor. An elongated opening is formed in the upper floor along the stalls through which... | 08/16/1988 |
| 4758846 | Heat pen A heat pen comprising a first tube, a holder tube coiled with resistance wire and a metallic cylinder as a stylus. When the resistance wire is charged with electricity the metallic cylinder is heated to mark heat-sensitive recording paper. When the metall... | 07/19/1988 |
| 4745970 | Rotating head An improved rotating head having an inner barrel disposed within and rotatingly supported on an outer barrel wherein a rotary drive member is connected to the inner barrel. A kelly is extendable through the inner barrel and the rotary drive member is adap... | 05/24/1988 |
| 4745976 | Method for selectively plugging the more permeable regions of an underground formation having non-uniform permeability A method for selectively plugging the more permeable regions of an underground formation having non-uniform permeability wherein a first surfactant solution is injected into the formation in an amount effective to contact a substantial portion of the surf... | 05/24/1988 |
| 4743695 | Tedanolide A compound having cytotoxic activity of the formula: ##STR1## and a composition comprising such compound in a suitable pharmaceutical carrier.... | 05/10/1988 |
| 4733521 | Cover forming apparatus A cover forming apparatus for forming a sheet of material about an object to produce a decorative cover for the object. The cover forming apparatus includes a cover former having an object opening formed through a portion thereof which is adapted to recei... | 03/29/1988 |
| 4720892 | Brush roller attachment repair kit member and method of repairing a vacuum cleaner The invention concerns a repair kit for vacuum cleaners, and a method of repairing a vacuum cleaner, in which a vacuum cleaner housing with a worn or damaged keyway for a keying member on a brush roller is reconditioned by removing the portion of the hous... | 01/26/1988 |
| 4703010 | Electrolytic bioreactor assembly and method An electrolytic bioreactor, assembly and method for growing organisms capable of oxidizing metal sulfides. The reactor comprises a vessel defining an anode chamber for housing an anode, and a cultivation chamber, for housing a cathode and a culture soluti... | 10/27/1987 |
| 4700804 | Seismic energy source A hydraulically controlled seismic energy source for impressing individual seismic energy pulses into the ground, wherein the hydraulic pressure forcing the ram downwardly is substantially reduced slightly before the ram contacts the ground, and a continu... | 10/20/1987 |
| 4697585 | Appliance for fixing fractures of the femur An appliance for fixing fractures of the comprises an intramedullary nail for implantation in the intramedullary canal of the femur, a cross nail mountable on the intramedullary nail to extend through the neck of the femur and into the head of the femur a... | 10/06/1987 |
| 4696624 | Casing pump A well-pressure operated pump having a tubular pump body provided with an interior, annular seating surface to receive a valve member mounted on a rod extending through the seating surface. An air spring in the pump body urges the rod upwardly in response... | 09/29/1987 |
| 4691884 | Golf bag support A golf bag support formed from a tubular housing which may be attached either to the interior or exterior of a golf bag. A spike section is received within the lower end of the housing, where it may be held in a normally retracted position. A wing section... | 09/08/1987 |
| 4688998 | Magnetically suspended and rotated impellor pump apparatus and method A novel pump apparatus and method, the pump including a magnetically suspended and rotated impellor inside the pump housing. A novel sensor system detects the position of the impellor and thus provides the necessary information for operation of a suspensi... | 08/25/1987 |
| 4684108 | Panel fence A modular fence construction utilizing flat bar stock for the rails and pickets, and substantially standard metal shapes for the posts between fence sections.... | 08/04/1987 |
| 4671935 | Method for sterilizing contact lenses Method and apparatus for sterilizing contact lenses wherein the lenses are moved in a circular orbit within a microwave oven through variations of energy levels in the microwave field in the oven, with the orbit of movement being spaced from the floor of ... | 06/09/1987 |
