Patents by Inventor Gordon W. McKinney

Gordon W. McKinney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for sorting documents
    Patent number: 4090611
    Abstract: Method and apparatus for separating bundles of envelopes containing information-bearing documents according to preselected sorting scheme. Documents are marked with iron particle deposits, in coded format, prior to being placed in the envelopes. The locations of the deposits correspond to the information of interest. After the marked documents are sealed in envelopes the locations of the iron particle deposits are sensed to control sorting apparatus for separating the documents according to the sensed information.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: May 23, 1978
    Assignee: Pheripheral Sciences, Inc.
    Inventor: Gordon W. McKinney