Patents for Emanuel Andrews |
Patents 1 -
15
of 27
|
Number | Date | Patentee | Title | Type |
16,223 | Dec. 16, 1856 | E. Andrews | Improved machine for grinding saws | cutter grinding |
16,782 | Mar. 10, 1857 | E. Andrews | Machine for grinding saws | making sawblades |
17,774 | Jul. 14, 1857 | E. Andrews | Machine for gaging and filing saws | saw sharpening machines |
51,126 | Nov. 28, 1865 | E. Andrews | Improvement in sawmills | reciprocating sawmills |
RE2,290 | Jun. 19, 1866 | E. Andrews | Improved machine for grinding saws | cutter grinding |
58,569 | Oct. 09, 1866 | E. Andrews | Saw Handle | crosscut saw handles |
76,969 | Apr. 21, 1868 | E. Andrews | Improvement in mode of hanging reciprocating saws in sawmills | reciprocating sawmills |
81,126 | Aug. 18, 1868 | E. Andrews | Improvement in saw-grinding machines | making sawblades |
85,417 | Dec. 29, 1868 | E. Andrews | Improvement in saws | reciprocating saws |
90,623 | May 25, 1869 | E. Andrews | Improvement in strap for saws | reciprocating saws |
95,869 | Oct. 19, 1869 | E. Andrews | Improvement in saw-swage | saw swages |
101,343 | Mar. 29, 1870 | E. Andrews | Improvement in saw-mills | reciprocating sawmills |
103,700 | May 31, 1870 | E. Andrews | Improvement in Saw Frame | frame saws |
111,164 | Jan. 24, 1871 | E. Andrews | Improvement in saws | saw teeth |
112,883 | Mar. 21, 1871 | E. Andrews | Improvement in saw-mills | reciprocating sawmills |