Richard P Stevenson

US Patent:

D2481928, Jun 20, 1978

Filed:

Aug 6, 1976

Appl. No.:

5/712273

Inventors:

Richard L. Stevenson - Los Angeles CA

International Classification:

D0204

US Classification:

D 2309

US Patent:

41462416, Mar 27, 1979

Filed:

Mar 13, 1978

Appl. No.:

5/885894

Inventors:

Richard L. Stevenson - El Segundo CA

International Classification:

A63C 1702

US Classification:

280 1127

Abstract:

An improved roller skate assembly is provided in which the hanger bracket that is attached to the sole of the boot, and the trucks, or axle housings, which support the wheels, are preferably composed of a plastic material; and in which the trucks are attached to the hanger bracket by a snap-in relationship so as to simplify the manufacturing process.

US Patent:

D2768488, Dec 18, 1984

Filed:

Nov 9, 1982

Appl. No.:

6/440368

Inventors:

Richard L. Stevenson - El Segundo CA

US Classification:

D25 22

US Patent:

D2924358, Oct 20, 1987

Filed:

Dec 19, 1986

Appl. No.:

6/943574

Inventors:

Richard L. Stevenson - Playa Del Rey CA

US Classification:

D25 30

US Patent:

D2932644, Dec 15, 1987

Filed:

Dec 18, 1986

Appl. No.:

6/943154

Inventors:

Richard L. Stevenson - Playa Del Rey CA

US Classification:

D25 30

US Patent:

41825209, Jan 8, 1980

Filed:

Jul 24, 1978

Appl. No.:

5/927150

Inventors:

Richard L. Stevenson - El Segundo CA

International Classification:

A63C 100

US Classification:

280 8704A

Abstract:

A skateboard structure is provided which has a central platform formed of a top piece and a bottom piece. The two pieces may be formed of plastic or other appropriate material, and each piece may be shaped to define an inner surface of cellular configuration so that when the two pieces are fitted together they define an internal reinforcing honeycomb-like core. A bumper formed of appropriate resilient material, such as rubber or plastic, is provided which extends around the periphery of the two pieces of the central platform, and which has a web-like integral section extending inwardly between the two pieces to be clamped therebetween, so that the bumper may be held firmly in place. The bumper itself may have a variety of shapes, so that a common central two-piece platform may be used to provide a variety of skateboard shapes and models merely by selecting appropriate bumpers.

US Patent:

43379630, Jul 6, 1982

Filed:

Aug 13, 1979

Appl. No.:

6/065946

Inventors:

Richard L. Stevenson - El Segundo CA

International Classification:

A63C 1702
A63C 512

US Classification:

280 8704A

Abstract:

A skateboard structure is provided which is formed of a top piece and a bottom piece, the pieces being formed of appropriate injection molded plastic material, such as polypropylene, polyethylene, polycarbonate, "Plexiglass", or other plastic material which is susceptible to injection molding; or aluminum casting or compression molded fiberglass; or any other material which may be molded or cast. The inner surface of each piece is formed with a lattice-work of integral webs, so that when the pieces are fitted together they define a reinforcing honeycomb-like core.