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 |
| 7464431 | Paint brush A drip-reducing paint brush having a hollow handle and a flared perimeter around the area where the paint applying element is attached to the brush so that excess paint from a pad or bristle bundle flows into the interior of the handle where it is contained rather t... | 12/16/2008 |
| 6598256 | Multi-use cleaning device A cleaning device for attachment to a water faucet, comprising a housing element having a top portion and a bottom portion, the top portion being threaded for operable engagement with a water faucet, and the bottom portion having an opening therein, apert... | 07/29/2003 |
| 6558061 | Powder dispenser with telescopic brush A dispenser includes a brush fixed to a powder reservoir having a tuft of hair and a tuft holder provided with a first powder supply orifice. The reservoir is closed by a shutter in which a second powder supply orifice is formed, and that can be turned ma... | 05/06/2003 |
| 6327734 | Force sensing system for a toothbrush The pressure sensing system includes a hinged member that is fixedly attached to a brushhead body. An arm member is attached at one end to said hinged member and pivots about a hinge portion of the hinged invention. The pivoting arm member and the brushhe... | 12/11/2001 |
| 6085379 | Mouthbrush adapted for use with liquid cleanser paste A mouthbrush that is particularly adapted for use with liquid cleansers. The construction employs longitudinal grooves in the brush head to store and deliver liquid cleanser paste to hollow bristles that are located below the grooves. These hollow bristle... | 07/11/2000 |
| 6082921 | Self-cleaning paint brush with improved plug An improved paint brush having a body, a handle connected to and extending outwardly from the body, a plurality of bristles extending outwardly from the body, and a plug affixed to the body within the plurality of bristles. The plug has a bar and a plural... | 07/04/2000 |
| 6016587 | Toothbrush A toothbrush having a handle portion and a working, head portion from which a plurality of bristles extend, the bristles being arranged in tufts. The head portion is provided with at least one through-hole extending from the rear to the front surface ther... | 01/25/2000 |
| 5836036 | Self cleaning toothbrush A toothbrush that provides for improved cleaning after use by enhanced flow through the design. Brush bristles are positioned in spaced groups which are surrounded by open flow through areas that allows for a low surface area to opening ratio to ensure th... | 11/17/1998 |
| 5623746 | Tooth-brushing machine Large-diameter cylindrical portion (3) is formed in water passage (2) of a water-spraying nozzle (1) in the vicinity of the tip portion of said nozzle. Piston (5) which is housed in aforementioned cylindrical portion (3) is driven in a reciprocating manne... | 04/29/1997 |
| 5483721 | Self-cleaning paint brush A paint brush having a body, a handle connected to and extending outwardly from the body, a plurality of bristles arranged in a plurality of rows and extending outwardly from the body, a liquid inlet channel formed so as to extend through the body toward ... | 01/16/1996 |
| 5398365 | Self-cleaning paint brush A paint brush includes a receptacle at the end of the handle of the brush designed to be attached to standard water faucets, garden hoses, or other fluid sources for self cleaning. When attached to the faucet, fluid enters a hollow receptacle and then int... | 03/21/1995 |
| 5339469 | Shower apparatus A shower apparatus includes a primary shower head having fluid connection to a three-way valve member, with the three-way valve member permitting selective fluid flow to the primary shower housing permitting fluid flow selectively to the primary shower he... | 08/23/1994 |
| 4916773 | Paint brush with integral cleaning means A paint brush is disclosed herein having an apertured block retaining the heel of a plurality of bristles. A frame is secured to the block on one end and secured to a handle on its other end so as to define a cavity between the block and the handle for st... | 04/17/1990 |
| 4881289 | Paint-coating brush A paint-coating brush is disclosed which comprises a body with an axial center bore and with a threaded portion on the butt side, a plurality of piliform members bundled on the outer surface of a muzzle-side end portion of the body, a cylindrical sleeve f... | 11/21/1989 |
| 4319852 | Brush with pneumatically discharged treatment material A material dispensing brush having a substantially rigid holding chamber and a resiliently, deformable bulb attached to the chamber for the purpose of pressurizing the same. The bulb is positioned proximate to the handle of the brush so that an operator m... | 03/16/1982 |
| 4166304 | Paint brush A paint brush that includes a two part assembly, a first part having a removable handle and the second part including the brush bristle head and a plurality of channels for flushing the ends of the bristles embedded in the head with a solvent when the hea... | 09/04/1979 |
