...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 |
| 7381004 | Gas pressurized writing instrument and writing instrument refill A gas-pressurized writing instrument simply constructed so that a compressed gas will not escape to the outside by providing a writing point assembly (10) at the front end (14a) of a tube member (14), storing an ink (12) to be fed ... | 06/03/2008 |
| 7140797 | Multi-cartridge dispenser A multi-cartridge powered dispenser includes a frame having base and top cartridge supports, wheels and a handle. A piston/cylinder is mounted on the frame and at least three cartridges are clamped between the support plates. Each cartridge has a shuttle at the lowe... | 11/28/2006 |
| 7101107 | Cosmetics brush A cosmetics brush, and more particularly, to a cosmetics brush in which cosmetics liquid is discharged to a brush using the air pressure generated by pressing an inner body is provided. In the cosmetics brush, the lower part of the inner body whose upper part is thr... | 09/05/2006 |
| 7070352 | Writing implement A writing implement includes a cylindrical shaft member, a pen tip member which is fixed to one end of the shaft member and from which colored ink seeps out, liquid for ink which is stored in the shaft member and which comprises a major component of the colored ink ... | 07/04/2006 |
| 7040830 | Soap dispensing apparatus A fluid-dispensing kitchen apparatus has a body including a fluid reservoir and a handle, the reservoir being closed by an end plate which is welded to the body and is, in turn, latched to a cleaning medium block. An embodiment has a resilient tab on the block engag... | 05/09/2006 |
| 6978800 | Closure device with self-aligning poppet A closure device used in a fluid dispensing assembly. The closure device contains a housing, a poppet member, and a biasing member. The closure device provides a retaining structure for stabilizing and aligning the poppet member and biasing member within the housing... | 12/27/2005 |
| 6935802 | Cosmetics brush A cosmetics including a sleeve type protection cap for enclosing the brush during make-up, a main body and a brush member; wherein the protection cap has a movable body mounted inside the cap to generate air pressure while moving upward/downward together with moveme... | 08/30/2005 |
| 6918711 | Hand-held self-dispensing applicator The applicator includes a housing having an outer surface, and an internal reservoir for holding the dispensable product (e.g., liquid soap or topical skin treatment or any flowable product). Porous qualities of the housing fluidly couple the internal reservoir and ... | 07/19/2005 |
| 6905274 | Liquid applicator A fillable container and applicator for storing and then later applying liquids such as paints, dyes, and varnishes to a surface, the container including a resilient bottle adapted to hold a liquid including a open end, a pin that fits over the bottle open end that ... | 06/14/2005 |
| 6793428 | Drywall joint compound applicator appliance A wall compound applicator appliance that has a work station including a reservoir for containing a supply of wall compound, an air compressor, an applicator tool, a portable compressed air tank to operate the applicator tool, and a carrying strap assembly to attach... | 09/21/2004 |
| 6726385 | Lotion application device A handled device that aids one in applying tanning oil, lotion or sun screen to their back region and other hard-to-reach areas. The long handle portion allows the user to reach the desired area with enhanced ease. The long handle portion includes an elongated handl... | 04/27/2004 |
| 6719471 | Toothbrush incorporating a toothpaste reservoir A toothbrush incorporating a toothpaste reservoir including a hollow body defining a head member having bristles, the hollow body forming a handle, a toothpaste containing reservoir housed in the handle and a pump arranged in the body to impel toothpaste towards the... | 04/13/2004 |
| 6536969 | Writing tool equipped with ink reservoir A writing tool is provided. An ink reservoir (7) and an ink supply passage (9) are formed in a barrel (1) provided with a brush body (2). Ink contained in the ink reservoir (7) is supplied to the brush body (2) via the ink supply passage (9). A wire (17) ... | 03/25/2003 |
| 6450720 | Applicator and method for applying fluid or paste product to targeted surface An applicator for applying fluid or paste product to hair or hair-like objects on a surface comprises a handle, an application member for holding an amount of product and applying the product to the objects, and a shield for covering at least part of the ... | 09/17/2002 |
| 6406207 | Pump for discharging doses of liquid, gel-like or viscous substances A pump for discharging doses of liquid, gel-like or viscous substances from a container, having a pump body made of a flexible and elastic material which can be squeezed together to form a suction vacuum and delivers the liquid via an outlet valve, which ... | 06/18/2002 |
| 6332726 | Container provided applicator A container with an applicator has a container main body, which is composed of a flexible outer layer and an inner layer laminated on the outer layer so as to be freely peeled therefrom. The container futher is provided with an air introducing hole on the... | 12/25/2001 |
| 6315483 | One-piece fluid control valve for fluid dispensers A one-piece fluid flow control valve for use in a fluid applicator tip which is connectable onto an open end of a resiliently squeezable bottle. The valve includes a cup-shaped body formed of resilient plastic material having a generally U-shaped longitud... | 11/13/2001 |
| 6247862 | Hand-held liquid/lotion dispensing device A hand-held liquid/lotion dispensing device for applying lotion, medicinal rubs, oils, sunscreens to the user's back. The hand-held liquid/lotion dispensing device includes an elongate member having a handle portion, an elongate intermediate portion conne... | 06/19/2001 |
| 6227740 | Scrubbing implement A scrubbing attachment for a hand held pump dispenser having a rotatable nozzle cap threadedly received on the pump nozzle stem is described. The attachment has a back face having a central channel with internal threads, adapted to be substituted for the ... | 05/08/2001 |
| 6179503 | Brush A toothbrush with a toothpaste reservoir and a simple control delivering mechanism which is associated with an elastomeric valve system for dispensing an amount of oral hygienic paste onto bristles on the toothbrush.... | 01/30/2001 |
| 6142695 | Cosmetic brush A cosmetic brush with a large number of soft hairs, an inner cylinder having soft hairs on its front end and holding cosmetic powder in it, and a pressure pump joined to the inner cylinder's rear end and supplying air to spray the cosmetic powder toward t... | 11/07/2000 |
| 6056466 | Toothbrush with a refillable toothpaste chamber A toothbrush with a refillable toothpaste chamber which provides for the storage of toothpaste of choice within the handle section is disclosed. The toothpaste tube mates with a matching threaded connection on the lower surface of the handle to allow fill... | 05/02/2000 |
| 5888009 | Writing tool and pressurizing cap This invention relates to a writing tool for correction of misspelled words or a writing utensil such as a ball-point pen, in which air in a cap is pressurized in a process of pushing the cap onto and mounting the cap on an extremity end and the compresse... | 03/30/1999 |
| 5800087 | Portable car washing system A portable car washing system including a main container having an inverted hollow U-shaped handle formed integrally therewith. The handle has open ends exposed to a hollow interior of the container. The handle has an air inlet port and an air outlet port... | 09/01/1998 |
| 5716151 | Coating tool A coating tool (12) comprises a coating tool body (2) having a liquid storage portion (2a) for storing a coating liquid, and a cap (10) detachably fitted and mounted on the coating tool body to be in tight contact with it. In the course of mounting the ca... | 02/10/1998 |
| 5542771 | Applicator having cap which pressurizes and seals inner space An applicator in which the air within an inner barrel of a cap to the applicator is enabled to flow readily into the fluid tank of the applicator to increase the internal pressure of the fluid tank when the cap is engaged with the neck of the applicator, ... | 08/06/1996 |
| 5468082 | Pressurized writing instrument with stirring weight A writing instrument has an ink reservoir under pressure. Compressed ink in the ink reservoir is supplied through an ink passage to a ball tip also acting as a valve body. A push rod is inserted in the ink passage and is intended to urge the ball forward.... | 11/21/1995 |
| 5462379 | Applicator having cap which pressurizes and seals inner space An inexpensive applicator in which the air within the inner barrel of a cap enters the fluid tank of the applicator to increase the internal pressure thereof in the process where the cap is engaged with the neck of the applicator, so that the fluid tank n... | 10/31/1995 |
| 5421664 | Fluid applicator with fluid tank pressurization device A fluid applicator in which the internal pressure of a fluid tank can selectively be increased, and the fluid to be applied is prevented from being discharged excessively during application. A cap is provided with a short first inner barrel and a long sec... | 06/06/1995 |
| 5362169 | Applicator having cap which pressurizes inner space Disclosed is an applicator in which the air within the inner barrel of a cap is designed to enter into the fluid tank of the applicator to increase the internal pressure of the fluid tank in the process that the cap is engaged with the body of the applica... | 11/08/1994 |
| 5009343 | Automotive tool This is an automotive tool which has a head, a container and a flexible hose connection with the container. The container has a nozzle and a pump. The hose connects the nozzle of the container to the head. The head has a blade which extends longitudinally... | 04/23/1991 |
| 4732503 | Reservoir fluid dispenser with control valve An apparatus for applying a liquid to a surface comprising an applicator and a body member. The applicator is secured to an end of the body member, the body member defining a reservoir for housing a fluid. The body member includes a piston member for exer... | 03/22/1988 |
| 4695176 | Fountain application handle with refill valve A fountain applicator handle is disclosed for providing a continuous supply of a liquid coating to an applicator head for application onto a surface. The fountain applicator handle includes an elongated hollow reservoir with sliding displacement piston di... | 09/22/1987 |
| 4548524 | Dispensing package with applicator surface Disclosed is a package for dispensing flowable materials such as powders and liquids, particularly those intended for cosmetic use. A cover (30) fits snugly against chamber wall (12) and overlies dispensing opening (14). Removal of the cover draws a measu... | 10/22/1985 |
| 4498797 | Pressurized cartridge for a writing instrument A writing instrument cartridge contains a loose fitting ball follower disposed within the cartridge between an end of a column of paste like ink exhibiting a yield value, and compressed gas contained in a sealed end of the cartridge. The ball follower is ... | 02/12/1985 |
| 4431326 | Paint applicator and container A liquid container containing liquid, such as paint, to be applied to a surface includes a radially inwardly facing sealing wall on the top of the container extending in a complete circle around the center of the container. An aperture is provided in the ... | 02/14/1984 |