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Patents for Herbert G. Briggs
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
214,652Apr. 22, 1879F. HansonImprovement in wood-turning machines
221,303Nov. 04, 1879F. HansonScalloping machine
221,552Nov. 11, 1879F. HansonTurning chisels
344,160Jun. 22, 1886H.S. BrownsonRatcheting Screwdriver
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