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 |
| 7090432 | Spill response system A spill containment and remediation system. A reel for a boom is mounted in the upper part of a weatherproof housing. The lower region of the housing is leakproof and can store recovered liquid spill. A boom or dike is mounted on the reel. The housing has an opening... | 08/15/2006 |
| 6609853 | Spillage recovery device and method of use A recovery device (10) for containing a material (16) floating on the surface of a liquid (12) comprises a shroud (26) having an open top and an open bottom, the top being of smaller diameter than the bottom, thus forming a truncated cone-like shape. The ... | 08/26/2003 |
| 5688074 | Oil barrier In order to control oil accidents and to prevent the oil film drifting on the water from spreading, an oil adsorber 1 is provided, in particular shaped as a barrier 2. This barrier 2 is designed in two parts. Both cells 9, 10 are completely filled with gl... | 11/18/1997 |
| 5338464 | Oil spill recovery apparatus and method An oil spill recovery barge utilizes a tank that will pivot about an axis from an upper position to a lower position. The barge has a pair of pontoons, with the tanks located between them. The tank mounts by axles to the pontoons to allow the rotational m... | 08/16/1994 |
| 5310283 | Floating barrage A floating barrage comprising an air-containing buoyancy member (13) and a curtain suspended from the buoyancy member (13) which curtain is maintained in approximately vertical position in the water by a ballast member (9) connected to the curtain, wherei... | 05/10/1994 |
| 5267813 | Oil containment curtain Flotation spars are detachably connected along the length of an oil containment curtain to insure the verticality of a floating containment boom. Spaced tubular sleeves extend vertically along one side of each band. The sleeves are so configured as to piv... | 12/07/1993 |
| 5120159 | Oil containment system for emergency use A system for containing oil or other contaminants which have leaked from an oil tanker or similar structure is disclosed. A protective housing surrounds the structure. A plurality of covers are each pivotably mounted at its upper edge to a lower outer edg... | 06/09/1992 |
| 5071287 | Oil containment system An oil containment system includes an inflatable boom for encircling an oil containing vessel. A spreader runs parallel with the inflatable boom and is filled with pressurized water to cause the inflatable boom to assume a particular shape and position ar... | 12/10/1991 |
| 4248547 | Fence for enclosing impurities floating on water A fence for enclosing impurities floating on water having an elongated two-ply band of material with the two plies fused together in selected areas and with unfused sections extending between the two longitudinal edges and with unfused sections extending ... | 02/03/1981 |
