DR. WILLIAM R MARSHALL, PHD
Social Work in Greensboro, NC

License number
North Carolina 0732
Category
Social Work
Type
Clinical
Address
Address
502 E Cornwallis Dr Suite N, Greensboro, NC 27405
Phone
(336) 275-6595
(336) 288-7683

Professional information

William R Marshall Photo 1

Dr. William R Marshall, Greensboro NC - PHD

Specialties:
Clinical Psychology
Address:
502 E Cornwallis Dr STE N, Greensboro 27405
(336) 275-6595 (Phone)
Languages:
English


William Marshall Photo 2

Device For Measuring Foot Motion And Method

US Patent:
5574669, Nov 12, 1996
Filed:
Jan 25, 1995
Appl. No.:
8/377692
Inventors:
William R. Marshall - Greensboro NC
International Classification:
A63B 7102, A63B 6700
US Classification:
364569
Abstract:
A device and method of measuring the speed of an object such as a foot is provided which can accurately determine lateral or other movements. The device employs optical sensor circuits which determine object impact on a pair of separate, spaced pads. Electrical circuitry includes a microcontroller which directs signals to an LCD display and a speaker for audio interpretation for the test subject.