David Brian Harmon

US Patent:

20060092916, May 4, 2006

Filed:

Oct 29, 2004

Appl. No.:

10/976501

Inventors:

David Harmon - Plano TX, US
Kevin Corley - McKinney TX, US

International Classification:

H04L 12/66

US Classification:

370352000, 370404000

Abstract:

Routing frames in a communication ring includes receiving an invitation at a proxy server of a node of a ring. The invitation indicates that a first endpoint is initiating a call to a second endpoint. An access device operable to communicate the call to the second endpoint is identified. The access device has a private network identifier uniquely identifying the access device within the ring. A media path to the access device is reserved. The private network identifier is inserted into frames received from the first endpoint in order to route the frames to the second endpoint through the media path.

US Patent:

43661220, Dec 28, 1982

Filed:

Feb 25, 1981

Appl. No.:

6/237858

Inventors:

Charles E. Elmore - Dallas TX
David H. Harmon - Dallas TX

Assignee:

Ciba-Geigy Corporation - Ardsley NY

International Classification:

C08J 936
B01J 808

US Classification:

422133

Abstract:

A process and apparatus are provided for making desired shapes of urea-formaldehyde suitable for use as insulation from urea-formaldehyde foam. Fluid urea-formaldehyde foam (A) is formed into discrete particles (A') in particle generator (10) which also partially cures particles (A'). After particles (A') are fully cured, they are blended with fluid urea-formaldehyde foam in mixing apparatus (11) which includes blending head (66) to produce mixture (C) which is a coherent mass. Mixture (C) is molded to the desired cross-sectional shape by molding conveyor (12). Cutter (132) cuts formed mixture (C) into the desired length. Thereafter oven (146) is utilized for fully curing the product which is then enclosed in a suitable packaging material.

US Patent:

42911281, Sep 22, 1981

Filed:

Feb 8, 1980

Appl. No.:

6/119870

Inventors:

Charles E. Elmore - Dallas TX
David H. Harmon - Dallas TX

Assignee:

Ciba-Geigy Corporation - Ardsley NY

International Classification:

C08J 936

US Classification:

521 54

Abstract:

A process and apparatus are provided for making desired shapes of urea-formaldehyde suitable for use as insulation from urea-formaldehyde foam. Fluid urea-formaldehyde foam (A) is formed into discrete particles (A') in particle generator (10) which also partially cures particles (A'). After particles (A') are fully cured, they are blended with fluid urea-formaldehyde foam in mixing apparatus (11) which includes blending head (66) to produce mixture (C) which is a coherent mass. Mixture (C) is molded to the desired cross-sectional shape by molding conveyor (12). Cutter (132) cuts formed mixture (C) into the desired length. Thereafter oven (146) is utilized for fully curing the product which is then enclosed in a suitable packaging material.