U.S. patents available from 1976 to present.
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Icon_funbox Did You Know...

...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."

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Class D16/324 - Texture


Subclass of Class D16 - Photography and optical equipment
Definition: Design that includes a rough or grainy surface quality.
No. of patents: 2
Last issue date: 06/15/2004


NumberTitleIssue Date
D491599Diamond cut glasses
06/15/2004
4377328Spectacle frame
This invention concerns a frame for spectacles comprising one or more flexible elements fitted between parts of the front and of the sides, in order to make the frame itself highly adaptable to the anatomy of the face; said flexible elements comprise a he...
03/22/1983
 
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