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Patents for J. M. Caldwell
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
278,773Jun. 05, 1883J.J. BurkHoop coiling and nailing machinehoop making machines
282,525Aug. 07, 1883F.J. Illig, P.J. IlligDouble Seaming Machinetinsmith
288,748Nov. 20, 1883J. WatsonBit-brace
292,817Feb. 05, 1884E. Holmes, B. HolmesWindlass for Compressing Barrelsbarrel making machines
297,401Apr. 22, 1884E. Holmes, B. HolmesStave-bending machinecooper
512,704Jan. 16, 1894E. Holmes, B. HolmesDevice for Directing Hoops on Barrelsbarrel making machines
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