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Patents for N. B. Smith
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberTitleClassification(s)
75,533Spirit Level33/387
75,534Improvement in Adjustable Spirit Levels33/385
75,835Improvement in mode of lubricating the slides of muley-saw mills184/81, 83/169
77,494Corn Husker, Sheller, etc460/42, 460/45
D3,195Design for a Spirit LevelD10/69
82,994Nut Wrench81/361
102,770Wrench81/141
150,301Wrenches81/119, 81/186
153,534Improvement in trip-hammers16/DIG.039, 192/224.1
156,276Improvement in power-hammers173/126, 248/176.1, 72/431
171,230Improvement in shingle-planers144/126, 144/128
230,611Stamp-mill173/148, 173/210, 241/271, 241/60, 241/74, 74/581, 91/39
264,859Atmospheric hammer403/355, 403/55, 403/59, 403/66, 403/81, 72/432, 72/443, 74/568R, 74/581, 74/583, 74/589
291,669Saw-buck269/54.3, 83/464
825,911Test Indicator33/533, 33/642
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