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...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

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Class 238/332 - Screw-operated


Subclass of Class 238 - Railways: surface track
Definition: except that the slide is operated by a screw.
No. of patents: 2
Last issue date: 11/19/1991


NumberTitleIssue Date
5065940Tie plate rail fastening system
A rail fastener includes a rail plate and a rigid stop for rail. The rail plate consists of two parts having a plane surfaces for supporting the rail and extended upward appendages bearing preferably inclined surfaces which cooperate with inclined surface...
11/19/1991
4208011Rail connection adjustable laterally and as to height
A resilient rail connection is adjustable laterally and as to height, especially for bridge and tunnel sections. An exchangeable intermediate plate and tie screws hold down the foot portion of the rail and are adapted to be screwed into a roadbed. The sup...
06/17/1980
 
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