Patents for Charles E. Van Norman |
Patents 1 -
15
of 19
|
Number | Date | Patentee | Title | Type |
301,466 | Jul. 01, 1884 | C.E. Van Norman, C. Hopkins | Lathe Chuck | metal lathe chucks |
570,723 | Nov. 03, 1896 | C.E. Van Norman | Milling Machine | milling machines |
578,588 | Mar. 09, 1897 | C.E. Van Norman | Milling-machine | milling machines |
587,537 | Aug. 03, 1897 | C.E. Van Norman | Combined lathe and milling-machine | metal lathes |
588,510 | Aug. 17, 1897 | C.E. Van Norman | Milling-machine | milling machines |
741,743 | Oct. 20, 1903 | C.E. Van Norman | Valve for compound engine | steam engines |
765,447 | Jul. 19, 1904 | C.E. Van Norman | Milling Machine | milling machines |
938,803 | Nov. 02, 1909 | C.E. Van Norman | Metal-working machinery | cylindrical grinders |
1,102,558 | Jul. 07, 1914 | C.E. Van Norman | Machine for grinding bearing-races | grinders |
RE13,892 | Mar. 16, 1915 | C.E. Van Norman | Machine for grinding bearing-races | grinding machines |
1,229,352 | Jun. 12, 1917 | C.E. Van Norman | Milling-machine | milling machines |
1,445,875 | Feb. 20, 1923 | R.W. Ellingham, C.E. Van Norman | Grinding machine | vehicle mechanic |
1,544,287 | Jun. 30, 1925 | C.E. Van Norman | Grinding machine | cylindrical grinders |
1,722,691 | Jul. 30, 1929 | C.E. Van Norman | Grinding machine | grinders |
1,761,059 | Jun. 03, 1930 | C.E. Van Norman, B.F. Stowell | Polishing machine | handheld power sanders |