Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 6998359 | Article and process for maintaining orientation of a fiber reinforced matt layer in a sandwiched urethane construction A multiple layer fiber reinforced material and method of constructing the same including the provision of a first layer of a roll lofted glass material. Optional variants include the pre-application of plywood, OSB or fiber reinforced cement board materials prior to... | 02/14/2006 |
| 6869664 | Lightweight circuit board with conductive constraining cores Prepregs, laminates, printed wiring board structures and processes for constructing materials and printed wiring boards that enable the construction of printed wiring boards with improved thermal properties. In one embodiment, the prepregs include substrates impregn... | 03/22/2005 |
| 5397618 | Multilayer composite article containing a multimodal combination of filler particles A multilayer composite comprising (i) a prepreg containing layer, (ii) a lightweight, highly conductive metallic wire screen or foil layer, and (iii) a sheet of lightweight carrier fabric containing (a) on one side a coating of a highly filled, thermoset ... | 03/14/1995 |
| 5071698 | Hockey padding An improved multilayer flexible body system, adapted for use in protective sports equipment, is described which comprises in combination in sequence an inner cover layer; a first flexible padding layer; a first elastomer containing woven fabric layer; a w... | 12/10/1991 |
| 4208458 | Welding splatter shield Welding splatter shield comprised of fire-resistant flexible sheet material such as fiber glass overlaid with a heat conducting metal mesh. The metal mesh may be secured around the edges of the sheet by sewn flanges and may overlay on both sides of the fl... | 06/17/1980 |
