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 |
| 5307095 | Eye-moistening device An eye-moistening device comprising spectacles includes a pair of side covers for covering at least left and right sides of eyes, and an eye-moistening member provided on the inner surface of the side cover. This eye-moistening member is adapted to be imp... | 04/26/1994 |
| 5022749 | Auxiliary instrument for examining eyes An auxiliary instrument to be used for examining an eye, which is effectively used for avoiding the tip portion of an eye-examining instrument from directly contacting with a cornea, and for guiding the tip portion of the eye-examining instrument. This au... | 06/11/1991 |
