APPLICATION PROGRAMMING INTERFACE FOR SETTING VARIOUS PARAMETERS, NAMELY, FILTERING, AUTOMATIC GAIN CONTROL AND SIGNAL PROCESSING IN CIRCUITRY USED IN HEARING AIDS TO OPTIMIZE THE RESPONSE OF THE HEARING AID IN USE BY AN INDIVIDUAL EXPERIENCING PARTICULAR, UNIQUE HEARING DEFICIENCIES

electronic door access systems comprising recodable machine-readable entry key, key encoder and electronic entry lock

real estate sales and service

board games

Encodable Identification Cards Used for Financial Transactions

VIEWING ENLARGERS FOR USE WITH PUBLICATIONS ON WHICH PRINTING, PICTURES, LEGENDS, AND THE LIKE, ARE PRODUCED IN REDUCED SIZE

micro card grading

Stethoscopes