Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 6142554 | Sliding bow dump truck cover This invention is directed to a bow end used for sliding bow covering systems which utilizes a solid trolley rail or trolley rail cables or cable or tubular track, trolley wheels and a trolley base having a bow support. The trolley rails or cables are att... | 11/07/2000 |
| 5064248 | High lift dump box A high lift farm dump box particularly constructed to produce a stable unit when the box supporting sections are in extended position by providing a stabilizing cross bar which not only supports the dumping cylinders for the box but also provides a stabil... | 11/12/1991 |
| 4930958 | Round bale carrier and unloader A farm utility wagon for carrying round or cylindrical bales with a center superstructure running from the front to the rear of the wagon. The superstructure can be raised or lowered by hydraulic cylinders. When the superstructure is in a lowered position... | 06/05/1990 |
| 4846754 | Toy with tipping load carrier A toy has a body and a tipping load carrier which is rotatably mounted in the body about a horizontal axis for rotation between a load-receiving position and at least one tipping position. The body has a planar upper surface portion. The load carrier has ... | 07/11/1989 |
| 4470747 | Separated discards carrier with safety features A motorized vehicle has an elongated space between a drivers cab at the front and a garbage compactor at the rear, one side of the space being occupied by a glass collection bin and a can collection bin. The other side of the space is occupied by a newspa... | 09/11/1984 |
| 4301645 | Tobacco harvesting method and apparatus Tobacco plants are harvested by having an operator ride a harvesting vehicle along a plant row so that as plants are successively cut from the ground by a cutter on the vehicle, the operator may grasp the severed plant and impale the same onto an upright ... | 11/24/1981 |
| 4256434 | Method of loading bales on to transport vehicles A method of loading bales of refuse from a horizontally acting baling press on to a transport vehicle without the use of a separate loading machine such as a fork-lift truck comprises aligning the transport vehicle with a discharge from the press; moving ... | 03/17/1981 |
| 4029357 | Strut extension lock for dump trucks In a dump truck including a base supporting a dump bucket supported pivotally along one of its upper edges at the upper ends of vertically extending telescoping struts carried by the base, and power devices connected to the top edge of the bucket in trans... | 06/14/1977 |
| 4019780 | Dump truck bed A dump truck bed including a tiltable dump bucket adapted to dump its load laterally of the bed, and mechanism operable to elevate it to any desired elevation within a substantial range before dumping, whereby its load may be dumped into high truck beds o... | 04/26/1977 |
