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 |
| 6327986 | Field transplanter The present specification discloses apparatus for transplanting seedlings (24) from a tray (6) that has a plurality of seedling retaining cells (34), into a prepared ground planting position, the apparatus having tray holding means (1), seedling eject mea... | 12/11/2001 |
