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Patents for Daniel Robertson
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
37,971Mar. 24, 1863L.H. OlmstedRatchet braceratchet braces
37,973Mar. 24, 1863A. PellImproved Gimletgimlets
39,019Jun. 23, 1863A. WeillerImproved machinery for making wooden cases for lead-pencilspencil making machines
40,027Sep. 22, 1863S.C. EllisImprovement in manufacture of match-sticksmatch making machines
40,402Oct. 27, 1863G. GardnerImprovement in veneer-cutting machinesveneer machines
40,502Nov. 03, 1863E.B. RequaSaw Mill Head Blocksawmill headblocks
40,674Nov. 24, 1863C. ChinnockImprovement in Corkscrewspocket and protected cork extractors
236,401Jan. 11, 1881D. Robertson, J.R. AdamsDetachable Lip for Augersauger bits
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