Patent Notes

ferro 1921/09/06 -> 1390222 - >
ferro 1926/08/24 -> 1597560 - >
ferro 1929/01/08 -> D77447 - >
ferro 1929/12/31 -> 1741391 - >
ferro 1931/07/14 -> 1814356 - >
ferro 1932/03/15 -> D86552 - >
ferro 1938/12/13 -> 2140489 - >
ferro 1938/12/13 -> 2140490 - >
ferro 1939/11/28 -> D117838 - >
foreign 1932/11/15 -> D88305 - >
foster 1868/01/07 -> 73136 - >
foster 1869/12/07 -> 97568 - >
four-way 1928/09/11 -> 1683985 - >
four-way 1933/10/03 -> 1929235 - >
fraim-slaymaker 1925/06/16 -> 1542442 - >
fraim 1881/04/26 -> 240586 - >
fraim 1883/01/16 -> RE10272 - >
fraim 1888/07/10 -> 385799 - >
fraim 1889/10/29 -> 413799 - >
fraim 1889/10/29 -> 413799 - >
fraim 1892/07/12 -> 478850 - >
fraim 1892/07/26 -> 479414 - >
fraim 1895/01/08 -> 532234 - >
fraim 1896/03/10 -> 556232 - >
fraim 1897/05/18 -> 582632 - >
fraim 1897/06/29 -> D27264 - >
fraim 1897/06/29 -> D27265 - >
fraim 1897/06/29 -> D27266 - >
fraim 1903/12/15 -> 746945 - >
fraim 1904/08/30 -> 768741 - >
fraim 1908/03/17 -> 882192 - >
fraim 1908/12/15 -> 907026 - >
fraim 1925/05/19 -> 1538033 - >
fraim 1925/11/24 -> 1563181 - >
fraim 1927/01/18 -> 1614666 - >
fraim 1927/01/18 -> 1614666 - >
fraim 1927/07/12 -> 1635711 - >
fraim 1927/12/13 -> 1652823 - >
fraim 1929/03/05 -> 1704184 - >
fraim 1929/04/23 -> 1710355 - >
fraim 1933/01/31 -> 1895655 - >
fraim 1934/01/02 -> 1942328 - >
fraim 1935/08/13 -> 2011515 - >
fraim 1936/10/06 -> D101452 - >
fraim 1939/07/18 -> D115761 - >
from 1927/01/18 -> 1614666 - >


46 Patents Listed