"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7481939 | Method for removal of phosphate from bodies of water by topical application of phosphate scavenging compositions with a hand held, hose end sprayer This invention relates to the field of phosphate removal from a body of water, especially in pools and spas. It is an improved method of removal of phosphate from pools and spas by the topical addition with a hand held, hose end sprayer of a phosphate scavenging age... | 01/27/2009 |
| 6728988 | Ball collector for cleaning systems used for fluid conducting tubing In a cleaning system which uses balls made of spongy material for cleaning fluid conducting tubing a ball collector having a housing with inlet and outlet ports, the outlet port having a strainer screen which allows fluid but not the balls to pass, and an access por... | 05/04/2004 |