Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7751575 | Microphone system for communication devices The microphone system for communication devices that comprises an electric circuit comprising two microphone elements connected to a signal flow processor. This processor uses a digital signal processor or comparable analog circuitry to provide a particular electric... | 07/06/2010 |
| 7685907 | Method for manufacturing extrusion die tools The subject invention relates to a new method for manufacturing extrusion die tools that eliminates the step of hardening the steel after cutting the steel to form the desired extrusion die tool design. The new method involves the steps of cutting and finishing stee... | 03/30/2010 |
| 7488309 | Device and method for drug delivery to animals A drug delivery device that utilizes a fluid subsystem with a switching device to deliver multiple drugs to an animal without causing contamination. The fluid subsystem can further comprise disposable syringes, fluid reservoirs, disposable tubing and a catheter. In ... | 02/10/2009 |
| 7203664 | System and method for annuity valuation A system and method for annuity valuation. The system of the present invention comprises a processor for execution of the method of the present invention and a data storage device for storage of data related to annuity accounts. The system also comprises an input de... | 04/10/2007 |
| 6928260 | Online education system and method A method and system for online education that includes an educator provider system and at least one student system connected via a network means so that at least one lesson can be transmitted from the provider system to the student system. One embodiment of the pres... | 08/09/2005 |
| 6824300 | Headlamp mounting plug A mounting plug for pivotably connecting a first component to a second component. The mounting plug comprises a ball stud portion comprising a ball and a post. The post comprises means for attaching the ball stud portion to the first component. The mounting plug fur... | 11/30/2004 |
| 6722184 | Apparatus and method for pressurized oxygen bulb curing and testing An apparatus and method for testing one or more glass light bulbs assembled into a sub-assembly for cracks. The apparatus comprises a chamber having an enclosed hollow interior and a door that is adapted to open and close to either allow access to the hollow interio... | 04/20/2004 |
