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 |
| 8356608 | Device and method for styling hair Provided are a device and a method for styling hair capable of reducing damage to hair, maintaining the elasticity and texture of the hair, and keeping the hair style for a long period of time. The hair styling device is equipped with an arm body 2 having an ... | 01/22/2013 |
| 6526988 | Method for treating hair shape and treating device thereof A method for treating a hair shape comprising the steps of: subjecting hair to softening treatment by applying or spraying a softening agent or applying a hair-treating agent, and giving vibration of predetermined frequency of not exceeding 20 KHz being l... | 03/04/2003 |
