Robert L Riddle

US Patent:

50181858, May 21, 1991

Filed:

Mar 21, 1990

Appl. No.:

7/496653

Inventors:

Robert Riddle - Westbury NY

International Classification:

H04M 115
H04M 1700

US Classification:

379145

Abstract:

A tamperproof pay telephone is disclosed. The tamperproof pay telephone includes a main portion having an upper coin housing portion with an upper coin housing wall, a handset, a cord connecting the handset to the upper coin housing wall of the upper coin housing portion of the main portion, and an attachment assembly for securing the cord to the upper coin housing wall, the cord including an inner tube liner, four telephone wires of which one is a power wire, the four telephone wires passing through the inner tube liner, the inner tube of stainless steel wire braided rope which is ultimately encased in a stainless steel armored hose so that the inner tube of stainless steel wire braided rope adds flexibility while adding protection by rolling when a cut to the cord is attempted, the inner tube of the stainless steel wire braided rope prevents the cutting open of the stainless steel armored hose in order to prevent access to the wires, as well as, preventing the twisting of the handset that would cause the stainless steel armored hose to unwind.

US Patent:

50397451, Aug 13, 1991

Filed:

Sep 20, 1989

Appl. No.:

7/410107

Inventors:

Robert Riddle - Westbury NY

Assignee:

Creative Urethane Concepts, Inc. - Westbury NY

International Classification:

C08L 2718

US Classification:

525101

Abstract:

The present invention relates to a paint composition which contains a silicone resin, a polytetrafluoroethylene polymer, and a polyurethane polymer in combination. The paint composition is useful as a surface coating that can be repeatedly cleaned with strong solvents and which possesses a non-stick surface.