"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 4440806 | Rainfall sander This invention provides a distribution system suitable for coating articles placed in a given area with particulate material in a substantially uniform manner. The system comprises a plurality of arms which are provided with an inlet opening and a dischar... | 04/03/1984 |
| 4344722 | Waterproofing barrier This invention provides a method and a system for waterproofing a desired substrate, and further contemplates, a waterproof and chemical-resistant product. The method provides providing a length of flexible moisture-permeable thin, synthetic sheet materia... | 08/17/1982 |
| 4286531 | Sewing apparatus An apparatus for use in automatically sewing articles along a symmetrical, open-ended path. The articles can be sewn from either end of the path. The apparatus employs a cam means which corresponds to the open-ended path and control means, including a sel... | 09/01/1981 |