1
John J Risko: Electronic device enclosure. II Morrow, William A Birdwell & Associates, January 31, 1995: US05386084 (168 worldwide citation)

An electronic device enclosure is provided having a top and a bottom, preferably each made of a polycarbonate plastic material and having respective lower and upper edges which are the same shape, and an elastomeric cover which fits over the top and wraps around the lower edge thereof so as to seal ...


2
Joseph R Wilhelm: Open computer system with externally interconnected peripheral modules. Sejus Corporation, William A Birdwell & Associates, June 2, 1998: US05761033 (141 worldwide citation)

A computer system with an externally accessible bus system having pairs of card slots and bus receptacles for repeatedly installing and removing modules includes one or more peripheral modules containing peripheral devices and having one or more pairs of sliding flanges and a connector for engaging ...


3
O Drew Grice: Method for use of a laparo-suture needle. William A Birdwell & Associates, February 7, 1995: US05387227 (117 worldwide citation)

A laparo-suture needle and method for use thereof. A medical suturing instrument employs an outer, hollow shaft having a laterally-disposed, elongate handle at a proximal end and an elongate, inner shaft disposed within the outer shaft. The inner shaft has a cutting edge at the distal end and extend ...


4
Richard C Cabot: Tunable bandpass filter system and filtering method. Audio Precision, William A Birdwell & Associates, August 4, 1992: US05136267 (111 worldwide citation)

A tunable bandpass filter system and filtering method wherein the bandwidth of a tunable bandpass filter is adjusted as a function of the fundamental frequency of an input signal. Either a constant bandwidth or a constant quality factor tunable bandpass filter may be used. The center frequency of th ...


5
William E McPherson: Vascular access system and clearing method. William A Birdwell & Associates, January 25, 1994: US05281205 (89 worldwide citation)

A vascular access system and clearing method. A vascular access system is provided comprising an implantable access port for receiving medication transdermally, a catheter connected to an outlet in said port for infusing that medication into the blood stream, a wire for clearing the catheter of an o ...


6
William McPherson, William B Saye, Eddie J Reddick: Coil screw surgical retractor. William A Birdwell & Associates, August 1, 1995: US05437266 (86 worldwide citation)

A surgical retractor and method for use thereof. The retractor is comprised of an elongate shaft having at one end a screw made of coiled, round wire which terminates at a sharp point for attachment to an organ and a connector at the other end of the shaft. Preferably, the connector comprises an enl ...


7
William A Birdwell: Diffractive optical switch with polarizing beam splitters. Apeldyn Corporation, William A Birdwell & Associates, March 2, 1999: US05877876 (85 worldwide citation)

A dynamic diffractive optical transform. An electric field pattern is created across a body of material, the material being characterized in that it has an optical transmission property which varies in response to of an electric potential applied across a portion thereof. The electric field pattern ...


8
Ronald L Toole, Lewis A Danielson, Joseph Ouellette, Stanley F Heard: Laser sighting device for a weapon. Crimson Trace Corporation, William A Birdwell & Associates, January 13, 1998: US05706600 (77 worldwide citation)

A sighting device for a weapon. The device forms an integral part of the handgun and projects a laser beam onto the impact point of the intended target. The device includes a laser assembly that is preferably disposed adjacent the front of the trigger guard of the handgun. In one preferred embodimen ...


9
Ronald L Toole, Lewis A Danielson, Stanley F Heard: Handgun sighting device. Crimson Trace, William A Birdwell & Associates, July 25, 1995: US05435091 (75 worldwide citation)

A handgun sighting device forming an integral part of the handgun and employing a laser device for projecting a laser beam. The laser device is included in a laser assembly disposed adjacent the top portion of the handgun's handgrip rearward of the trigger and extends laterally away from the handgri ...


10
Gary L McAlpine: High performance digital electronic system architecture and memory circuit thereof. William A Birdwell & Associates, September 1, 1998: US05802580 (61 worldwide citation)

A digital electronic system architecture having one or more system components and a memory coupled to selected system components, the memory selectively storing and communicating data among the coupled components. The digital electronic system preferably also has a transaction control bus, coupled t ...