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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| Application No. | Application Title | Issue Date |
| 20080268927 | Apparatus and method for automatically setting operating parameters for a remotely adjustable spreader of an agricultural harvesting machine Apparatus and a method for automatically recognizing a header connected to a harvesting machine and setting operating and/or adjustment parameters of a spreader of the machine for use with the header. The apparatus includes a memory containing information representative... | 10/30/2008 |
| 20080207288 | Adjustable axial rotor discharge deflector An adjustable deflector apparatus having a deflector plate for transitioning crop residue from the rotor of an axially arranged threshing system of a combine to a crop residue distribution system is disposed with the deflector plate pivotally mounted at approximately th... | 08/28/2008 |
| 20080058042 | Rigid rotor discharge deflector A rigid rotor discharge deflector apparatus for a combine, including a body member, attachable to the side wall of a discharge passage at the downstream end of the rotor, having a face portion with at least one ridge portion thereon extending generally laterally across ... | 03/06/2008 |
| 20070275775 | Flow distributor apparatus for controlling spread width of a straw spreader A flow distributor apparatus for a vertical spreader operable for discharging a flow of straw or other crop residue in a sideward direction over a field, the flow distributor apparatus including a flow guide element, an adjusting mechanism, and a coupling connector conn... | 11/29/2007 |