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 |
| 5640801 | Landscape border divider An assembly of a divider and stakes installed to define the limits of a flower bed or the like relative to adjoining ground wherein the height of the flower bed surface is greater than that of the adjoining ground. The divider comprises an extruded length... | 06/24/1997 |
| 4408717 | Fountain construction with lighting means A fountain construction dispenses water in a pond or the like for aesthetic purposes. A feed line is located beneath the water surface, and a vertically extending feed pipe delivers water from the feed line to a dispensing nozzle at the upper end of the f... | 10/11/1983 |
