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 |
| 7005151 | Method and apparatus for coating a product There is described an apparatus (1) that may be used for providing ice lollies (2) with a coating from a dipping container (4). The coating mix (3) comprises almond flakes (16) and fluid chocolate (10) which is inserted in a... | 02/28/2006 |
| 6470715 | Dyeing apparatus for carrying out laboratory tests The dyeing apparatus for carrying out laboratory tests comprises a dyeing chamber which can be sealingly coupled to at least one portion of the fabric to be dyed, means being additionally provided for displacing the dyeing liquid, adapted to carry out a s... | 10/29/2002 |
| 6088863 | Cleaning apparatus A wash tank adapted for use with a carbon dioxide cleaning medium has a body member having a front opening formed therein, the body member having side walls and a back wall opposite the front opening. The side walls terminate in a front body member edge p... | 07/18/2000 |
| 4793161 | Effective diffuser/thickener screen backflushing The screens of a pulp treating vessel, such as a paper pulp thickener, or diffuser, are back flushed in a simple yet effective manner. The screens are mounted to a supporting conduit within a vertical vessel, and a cylinder is connected at one open end to... | 12/27/1988 |
