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Method of collecting response data from direct mail advertising

  • US 4,752,675 A
  • Filed: 12/23/1985
  • Issued: 06/21/1988
  • Est. Priority Date: 12/23/1985
  • Status: Expired due to Fees
First Claim
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1. A method of obtaining information concerning the effectiveness of mass mail advertising comprising the steps of:

  • encoding the advertising material to be sent to each addressee of the material with its unique identifying bar code symbol;

    retaining a master file list of the addresses of said material and the identifying bar code symbol assigned to the material to be sent to each addressee;

    sending by mass mailing the advertising material to the respective addressees;

    by invitation which is sent to the addressees with the advertising material, inviting the respective addressees to return at least a portion of said material to the sender, said portion including the bar code symbol of the material;

    receiving such portions as are actually returned and reading the bar code symbols from such returned portions respectively; and

    comparing the bar code symbols of the respective returned portions with said master file list to identify the addressees who have returned said symbols to reveal information concerning the effectiveness of the mass mail advertising.

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