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 |
| 7509923 | Livestock sorting facility A system and method for the sorting of livestock including a livestock processing station, a computer network system, and a trolley system. The livestock processing station confines the individual livestock, allowing individual livestock data to be collected and ana... | 03/31/2009 |
| 7389743 | Livestock sorting facility A system and method for the sorting of livestock including a livestock processing station, a computer network system, and a trolley system. The livestock processing station confines the individual livestock, allowing individual livestock data to be collected and ana... | 06/24/2008 |
| 7124711 | Gate closing apparatus An apparatus is provided for closing an internal divider gate in a livestock transport vehicle (i.e. trailer). The vehicle has one side with an opening. A bar is pivotally connected to the side adjacent to the opening, and is received through the opening such that t... | 10/24/2006 |
| 7000673 | Vertically and horizontally swinging gate A gate apparatus comprising a first frame, a second frame and a plurality of rails, wherein each of the first and second frames comprises a vertical post and a plurality of cross-bars, and wherein the cross-bars of the first frame increase in length from the top cro... | 02/21/2006 |
| 6932141 | Vertically and horizontally swinging gate A gate apparatus comprising a first frame, a second frame and a plurality of rails, wherein each of the first and second frames comprises a vertical post and a plurality of cross-bars, and wherein the cross-bars of the first frame increase in length from the top cro... | 08/23/2005 |
| 4339147 | Equine ambulance An ambulance for the transport of sick or injured horses. The rear portion of the ambulance housing is selectively lowered into an inclined, ground engaging position for animal loading and unloading, and selectively raised into a standard, horizontal posi... | 07/13/1982 |
