U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"I hate what they've done to my child...I would never let my own children watch it. "

Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.

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Class 139/202 - Roller bearing

Subclass of Class 139 - Textiles: weaving
Definition: Shuttles the weight of which is supported on rolls as they
No. of patents: 0