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William T Haggerty, Phillip Andlauer, Stephen H Negus: Multicast switching. Enterasys Networks, Wolf Greenfield & Sacks P C, December 18, 2001: US06331983 (304 worldwide citation)

Method and apparatus for establishing connections in a switch-based communications network for multicast traffic. A source receives a multicast packet on an access port from a source host, determines a group address in the multicast packet, and composes and sends a “sender present” message to other ...


2
Kurt A Dobbins, David L Cullerot, Stephen H Negus, William T Haggerty: Internet protocol (IP) work group routing. Cabletron Systems, Wolf Greenfield & Sacks P C, May 12, 1998: US05751971 (206 worldwide citation)

Apparatus and method wherein multiple router interfaces are assigned the same IP network address, creating an IP work group. This enhances host mobility by allowing, in one embodiment, a host to be relocated anywhere in the work group without requiring reconfiguration of the host. As a further optio ...


3
David Belser, Richard Bussiere, Jeff Cioli, Brendan Fee, William T Haggerty: Aggregation of mac data flows through pre-established path between ingress and egress switch to reduce number of number connections. Cabletron Systems, Wolf Greenfield & Sacks P C, November 21, 2000: US06151324 (135 worldwide citation)

A method and apparatus are provided for connection-oriented switching in a communications network wherein a pre-established path is established between a select pair of an ingress switch and an egress switch. The use of pre-established paths enables a reduction in the total number of connections req ...


4
Kurt A Dobbins, David L Cullerot, Stephen H Negus, William T Haggerty: Internet protocol (IP) work group routing. Cabletron Systems, Wolf Greenfield & Sacks P C, June 19, 2001: US06249820 (133 worldwide citation)

Apparatus and method wherein multiple router interfaces are assigned the same IP network address, creating an IP work group. This enhances host mobility by allowing, in one embodiment, a host to be relocated anywhere in the work group without requiring reconfiguration of the host. As a further optio ...


5
Samuel P Sturgis, William T Haggerty, Barbara C Sangster: Videotex frame processing. Wang Laboratories, Michael H Shanahan, Scott K Peterson, June 14, 1988: US04751669 (89 worldwide citation)

A videotex decoder apparatus which, in various aspects, displays a status line to indicate when connect charges are occurring; overlays menus over displayed videotex frames with portions of the displayed frames remaining visible; provides easily called log-on procedures; retrieves remote information ...


6
William T Haggerty: Character-based monochromatic representation of color images. Wang Laboratories, Michael H Shanahan, Scott K Peterson, October 27, 1987: US04703318 (64 worldwide citation)

Forming a character-based monochromatic image from a digital representation of a color image by (1) forming a character-based representation of the color image in which a plurality of color characters each describe the background and foreground color within a defined area of the color image, (2) pro ...


7
William T Haggerty: Monochromatic representation of color images. Wang Laboratories, Michael H Shanahan, August 18, 1987: US04688031 (59 worldwide citation)

A color to monochromatic image transformation which transforms each color area of the original image into a corresponding area of a monochromatic image having a particular pattern of `light` and `dark` dots corresponding to and representing the original color of the area. The dot patterns are select ...


8
David Belser, Richard Bussiere, Jeff Cioli, Brendan Fee, William T Haggerty: Aggregation of data flows over a pre-established path to reduce connections. Enterasys Networks, Wolf Greenfield & Sacks P C, September 10, 2002: US06449279 (42 worldwide citation)

A method and apparatus are provided for connection-oriented switching in a communications network wherein a pre-established path is established between a select pair of an ingress switch and an egress switch. The use of pre-established paths enables a reduction in the total number of connections req ...


9
Kurt A Dobbins, David L Cullerot, Stephen H Negus, William T Haggerty: Internet protocol (IP) work group routing. Wolf Greenfield & Sacks PC, Federal Reserve Plaza, March 7, 2002: US20020029288-A1

Apparatus and method wherein multiple router interfaces are assigned the same IP network address, creating an IP work group. This enhances host mobility by allowing, in one embodiment, a host to be relocated anywhere in the work group without requiring reconfiguration of the host. As a further optio ...


10