Roger D Graham

US Patent:

D2498960, Oct 10, 1978

Filed:

Jan 16, 1976

Appl. No.:

5/649701

Inventors:

Roger Graham - Hyattsville MD

International Classification:

D2702

US Classification:

D27 03

US Patent:

D2565064, Aug 19, 1980

Filed:

Nov 14, 1978

Appl. No.:

5/960758

Inventors:

Roger A. Graham - Silver Spring MD

International Classification:

D2702

US Classification:

D27 03

US Patent:

D2485737, Jul 18, 1978

Filed:

Jan 16, 1976

Appl. No.:

5/649813

Inventors:

Roger Graham - Silver Spring MD

International Classification:

D2702

US Classification:

D27 03

US Patent:

41483278, Apr 10, 1979

Filed:

Jun 13, 1977

Appl. No.:

5/805698

Inventors:

Roger Graham - Silver Spring MD

International Classification:

A24F 114

US Classification:

131173

Abstract:

A water pipe for smoking has two superposed water chambers with a tobacco chamber leading to the lower of said water chambers, a goose neck tubular element communicating with both water chambers, a carb hole between said water chambers and an outlet above the uppermost of said water chambers so that smoke from burning tobacco in said tobacco chamber can be drawn through both water chambers to said outlet to cool said smoke.

US Patent:

D2492814, Sep 5, 1978

Filed:

Jan 16, 1976

Appl. No.:

5/649697

Inventors:

Roger Graham - Silver Spring MD

International Classification:

D2702

US Classification:

D27 03

US Patent:

D2495635, Sep 19, 1978

Filed:

Jan 16, 1976

Appl. No.:

5/649814

Inventors:

Roger Graham - Hyattsville MD

International Classification:

D2702

US Classification:

D27 03

US Patent:

D2486725, Jul 25, 1978

Filed:

Jan 16, 1976

Appl. No.:

5/649722

Inventors:

Roger Graham - Silver Spring MD

International Classification:

D2702

US Classification:

D27 05

US Patent:

D2565080, Aug 19, 1980

Filed:

Nov 14, 1978

Appl. No.:

5/960760

Inventors:

Roger A. Graham - Silver Spring MD

International Classification:

D2702

US Classification:

D27 03