Padlock Patents - David J. Heuermann

Patents - Assigned To Surname "Master Lock Co."

Master Lock Co. 1929/06/25 -> 1718606 - >

Master Lock Co. 1929/06/25 -> D78846 - >

Master Lock Co. 1932/02/16 -> 1845354 - >

Master Lock Co. 1933/12/12 -> 1938941 - >

Master Lock Co. 1935/04/30 -> D95463 - >

Master Lock Co. 1938/01/11 -> 2105337 - >

Master Lock Co. 1938/04/12 -> 2113864 - >

Master Lock Co. 1938/08/16 -> 2127089 - >

Master Lock Co. 1938/08/16 -> 2127091 - >

Master Lock Co. 1938/11/15 -> 2136435 - >

Master Lock Co. 1939/05/30 -> 2160294 - >

Master Lock Co. 1939/08/15 -> 2169907 - >

Master Lock Co. 1939/09/19 -> 2173720 - >

Master Lock Co. 1944/06/27 -> 2352190 - >

Master Lock Co. 1945/12/18 -> D143245 - >

Master Lock Co. 1945/12/18 -> D143246 - >

Master Lock Co. 1949/05/24 -> 2471291 - >

Master Lock Co. 1949/05/24 -> 2477325 - >

Master Lock Co. 1949/11/08 -> 2487608 - >

Master Lock Co. 1958/02/25 -> 2824439 - >

Master Lock Co. 1958/07/15 -> 2842950 - >

Master Lock Co. 1958/07/15 -> 2867110 - >

Master Lock Co. 1959/07/07 -> 2893231 - >

Master Lock Co. 1959/07/07 -> 2893232 - >

Master Lock Co. 1968/06/25 -> 3389586 - >

Master Lock Co. 1969/01/21 -> 3422643 - >

Master Lock Co. 1969/01/21 -> 3422644 - >

Master Lock Co. 1969/02/07 -> 3563067 - >

Master Lock Co. 1969/10/21 -> 3473352 - >

Master Lock Co. 1969/11/04 -> 3475930 - >

Master Lock Co. 1976/09/07 -> D241306 - >

Master Lock Co. 1988/03/15 -> 4730467 - >

Master Lock Co. 1993/11/30 -> D341766 - >

Master Lock Co. 1993/12/07 -> D342009 - >

Master Lock Co. 1993/12/07 -> D342010 - >

Master Lock Co. 1999/02/23 -> D406043 - >

Master Lock Co. 2000/04/25 -> D423323 - >

Master Lock Co. 2000/05/02 -> D423906 - >

Master Lock Co. 2000/05/02 -> D423907 - >

Master Lock Co. 2000/05/23 -> D425398 - >

Master Lock Co. 2000/06/20 -> D426763 - >

Master Lock Co. 2000/07/04 -> D427503 - >

Master Lock Co. 2000/10/24 -> D432391 - >

Master Lock Co. 2001/02/06 -> D437204 - >

Master Lock Co. 2001/02/20 -> D437768 - >

Master Lock Co. 2001/04/03 -> D439823 - >

Master Lock Co. 2002/06/11 -> D458530 - >

Master Lock Co. 2004/03/23 -> 6708534 - >

Master Lock Co. 2005/06/14 -> D506122 - >

Master Lock Co. 2005/06/28 -> D506667 - >

Master Lock Co. 2005/07/19 -> D507473 - >

Master Lock Co. 2005/07/19 -> D507474 - >

Master Lock Co. 2005/12/20 -> D512900 - >

Master Lock Co. 2006/03/21 -> D517396 - >

54 Patents Listed