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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7244471 | Method for surface treatment of metal pipes A method and apparatus for surface treating metal pipes includes introducing a treatment liquid into a first distribution chamber having a flat bottom surface, and dropping the treatment liquid onto at least a portion of the outer peripheral surface of the metal pip... | 07/17/2007 |
| 7111794 | Static air freshener A static air freshener has a frame formed of or with plastic beads impregnated with a scent or aroma. The rate of release of the scent is controlled by the area of the frame to define the useful life of the air freshener. An insert may be place in a void defined by ... | 09/26/2006 |
| 7051949 | Volatilizing apparatus A volatilizing apparatus for volatilizing a volatile agent, includes: a container having a container body and a lid covering the container body. The lid is attached to the container body through a hinge member so as to open and close with respect to the container bo... | 05/30/2006 |
| 6994270 | Semi-enclosed gel delivery device A dispenser of actives having a linear release rate may be achieved by providing a volatile containing gel system wherein the gel system is proportioned in specified dimensional ratios, so that the sum of the rate of volatile release from directly exposed areas of t... | 02/07/2006 |
| 6938832 | Scent strip A scent strip for use with digital entertainment media contains a volatile mixture of a detectable scent and an imperceptible pheromone which is adhesively attached to a digital entertainment medium package, e.g., a CD/DVD case or VHS cassette, or to a print medium,... | 09/06/2005 |
| 6921024 | Disposable sheet fragrance delivery system A fragrance delivery system has an enclosure having a base and a top surface with a sheet dispensing outlet, a plurality of absorbent sheets disposed within the enclosure and configured for successive exposure of a portion of a sheet from the sheet dispensing outlet... | 07/26/2005 |
| 6726119 | Upright fire protection nozzle An upright-type fire protection water spray mist nozzle has a base defining an orifice through which fire-retardant fluid can flow, an inlet section having an upstream end and defining a conduit for flow of fire-retardant fluid along a orifice axis and leading to an... | 04/27/2004 |
| 5782578 | Hydraulic timer mechanism for water irrigation A hydraulic timer mechanism for water irrigation is disclosed to comprise a cylindrical body having an irrigation water entrance and a number of irrigation water exits. The water exits are arranged along the same peripheral circle of the cylindrical body.... | 07/21/1998 |
| 5449117 | Apparatus and method for controllably dispensing drops of liquid A drop dispensing device includes a liquid ejection system, such as a timed pump mechanism, and a multi-channeled nozzle cooperative with the ejection system, for directing ejected liquid out of a container and into a chamber external to the container whe... | 09/12/1995 |
