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 |
| 7036341 | Transfer jack and weft knitting machine having the same, and stitch transfer method using transfer jack A position to form a stitch loop hooking portion is biased toward a base portion of a transfer jack from a center of a gap between needle beds. Therefore, the effective width of a tip portion of the transfer jack with respect to a height of a hook portion of a knitt... | 05/02/2006 |
| 5423204 | Transferring jack of a flat knitting machine A transferring jack for a flat knitting machine for entering the stitch expanded portion of a stitch to be transferred to allow the distal end of the knitting needle to which the stitch is to be transferred to enter such stitch, such transferring jack hav... | 06/13/1995 |
