Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: Keith; William J. Address: Auckland, NZ No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 4862505 Audiometer with interactive graphic display for children August 29, 1989 A microprocessor-based audiometer for use with children. A color visual display unit is used to display an image digitally stored in memory or on disk drive to attract the childs attention and hold its concentration during testing.The child activates a response switch upon detecting the       Recently Added Patents System and method of estimating joint loads in a three-dimensional system Combined tire pressure monitoring and keyless entry receiver Computer tomography apparatus and method for examining an object of interest Downhole seal bore repair device Method for producing a superconductive electrical conductor Actuation mechanism for use with keyboards on mobile computing devices Tomato plant cage   Randomly Featured Patents Fuel injection valve for internal combustion engines Lumped element directional filter Golf practice target apparatus Apparatus for cutting openings at arbitrarily selectable intervals into pipes Barrier film for limiting transmission of oxygen and moisture therethrough Temperature sensor system for mobile platforms Self-foaming cement for void filling and/or delivery systems 3,4-substituted pyrazoles for the treatment of inflammation Integrated circuit with frequency-dividing circuits capable of being tested at a high speed Rapid amplification-based subtyping of mycobacterium tuberculosis © 2006. PatentGenius. All Rights Reserved.