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Patents Issued in 1989 by Date

01/03/1989 01/10/1989 01/17/1989 01/24/1989 01/31/1989 02/07/1989 02/14/1989 02/21/1989 02/28/1989 03/07/1989 03/14/1989 03/21/1989 03/28/1989 04/04/1989 04/11/1989 04/18/1989 04/25/1989 05/02/1989 05/09/1989 05/16/1989 05/18/1989 05/23/1989 05/30/1989 06/06/1989 06/13/1989 06/20/1989 06/27/1989 07/04/1989 07/11/1989 07/18/1989 07/25/1989 08/01/1989 08/08/1989 08/15/1989 08/18/1989 08/22/1989 08/29/1989 09/05/1989 09/12/1989 09/19/1989 09/26/1989 10/03/1989 10/10/1989 10/17/1989 10/24/1989 10/31/1989 11/07/1989 11/14/1989 11/21/1989 11/28/1989 12/05/1989 12/12/1989 12/19/1989 12/26/1989