...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7238098 | Method of extracting lipids from nacreous mollusks The method of extracting a lipidic active principle from a solid material coming from a nacreous mollusk comprises the steps of grinding the nacre into a fine powder, preferably having a mean grain size of less than 20 μm, of putting the powder into contact with a ... | 07/03/2007 |
| 6936280 | Method for preparing a composition by extraction of mother-of-pearl, composition obtained by said method and use thereof in cosmetics and dermatology A method for preparing a composition, comprising a) reducing mother-of-pearl into powder with grain size distribution ranging between about 1 and about 300 μm; b) placing the obtained powder in close contact with an extracting agent in the form of a hydroglycol sol... | 08/30/2005 |
| 6251438 | Method of preparing active substances from nacre, products obtained which can be used in particular as medicaments This invention relates to a method for preparation of biologically active substances and has the following characteristic features: (a) nacre is reduced to a powder whose grain size is less than approximately 200 μm; (b) it is placed in close contact wit... | 06/26/2001 |