1
Greg L Townsend, Brian T McMahon, Chester E Sievert Jr, Scott R Wilson, James L Pokorney, John P Farris, David E Porter, Mark H Feddern: Optical biopsy forceps system and method of diagnosing tissue. SpectraScience, Schwegman Lundberg Woessner & Kluth P A, May 23, 2000: US06066102 (71 worldwide citation)

A biopsy forceps device is provided for obtaining tissue samples at a site within the body, while maintaining access to the site through an access lumen of the biopsy forceps. The device includes an elongate tubular body for introduction into the body and navigation to an area of interest. An inner ...


2
Paul E Greaves, John F Weber, David E Porter, Michael Richard Young Moore: Real-time video processing system. Play, Carr & Ferrell, February 16, 1999: US05872565 (53 worldwide citation)

A video processing system includes but structure, signal flow, and components to process and combine audio and video signals with improved power, cost-effectiveness, and flexibility. The system includes one or more input modules to convert input video signals to a predetermined format. A router rout ...


3
David E Porter Bennett: Powered ground care implement. The Toro Company, James W Miller, July 5, 1983: US04391041 (27 worldwide citation)

A powered ground care implement (2) includes a rotatable cutting head (14) having a filament line (16) for severing ground growing vegetation. An upwardly extending handle assembly (4) includes an engine (10) mounted at the top thereof. Engine (10) is fixedly secured to a backing plate (30) which is ...


4
David E Porter: Surgical cutting instrument with improved cleaning capability and ease of use. Portlyn Corporation, Hayes Soloway Hennessey Grossman & Hage P C, November 5, 1996: US05571129 (23 worldwide citation)

A surgical cutting instrument comprising an elongated flexible hollow-body tube having a lumen extending therethrough, and having a proximal end and distal end. A cutting, grasping or manipulating mechanism is coupled to the distal end of the body portion. Control wire means having proximal and dist ...


5
David E Porter: Electrically calibrated air gauging apparatus. PSW Associates, Blakely Sokoloff Taylor & Zafman, November 14, 1978: US04125011 (6 worldwide citation)

An electrically calibrated air gauging apparatus for measuring or comparing dimensions is disclosed. The apparatus is calibrated with only electrical adjustments and does not require the difficult pneumatic adjustments associated with prior devices. A monolithic, semiconductor pressure transducer is ...