U.S. patents available from 1976 to present.
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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 414/562 - Switch system


Subclass of Class 414 - Material or article handling
Definition: Apparatus in which the traveling bridge may be switched
No. of patents: 2
Last issue date: 11/21/1989


NumberTitleIssue Date
4881864Boom hoist for attachment to a trailer hitch drawbar
A swingable boom-type hoist is disclosed which is characterized by a forwardly-projecting tongue of rectangular cross section that telescopes into the box-beam style drawbar of a conventional trailer hitch carried by the load-carrying vehicle thus coopera...
11/21/1989
3973683Safety means for fiber pick-up and transporting apparatus
A plurality of safety devices associated with apparatus for picking-up fibers from bales and delivering such fibers to a hopper or the like, such safety device acting to warn the operator of such apparatus of a variety of malfunctions of the apparatus whe...
08/10/1976
 
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