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

"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "

Ambose Bierce

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Assignee: Alvis; Royal P.

Location: NewYork, NY
No. of patents: 1

Number	Title	Issue Date
3995121	Telephone interconnected paging system with dial click to pulse converter A telephone paging system includes a central interconnect station responsive to phoned information for automatically transmitting the caller's verbal message to a designated portable paging receiver. The central station instructs the caller by means of a ...	11/30/1976