Patents Issued in 1980 by Date
January
01/01/1980
01/08/1980
01/15/1980
01/22/1980
01/29/1980
February
02/05/1980
02/12/1980
02/19/1980
02/26/1980
March
03/04/1980
03/11/1980
03/18/1980
03/25/1980
April
04/01/1980
04/08/1980
04/15/1980
04/22/1980
04/29/1980
May
05/06/1980
05/13/1980
05/20/1980
05/27/1980
June
06/03/1980
06/10/1980
06/17/1980
06/24/1980
July
07/01/1980
07/08/1980
07/15/1980
07/22/1980
07/29/1980
August
08/05/1980
08/12/1980
08/19/1980
08/26/1980
September
09/02/1980
09/09/1980
09/16/1980
09/23/1980
09/30/1980
October
10/07/1980
10/14/1980
10/21/1980
10/28/1980
November
11/04/1980
11/11/1980
11/18/1980
11/25/1980
December
12/02/1980
12/09/1980
12/16/1980
12/23/1980
12/30/1980

