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Patents for James A. Robb
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
195,650Sep. 25, 1877J.A. RobbImprovement in saw-mill set-workssawmills
227,926May 25, 1880J.A. RobbLumber edgercircular ripsaws
258,946Jun. 06, 1882J.A. RobbEdgercircular ripsaws
288,493Nov. 13, 1883J.A. RobbFeed mechanism for lath-sawing machineslath making machines
290,358Dec. 18, 1883J.A. RobbEdgercircular ripsaws
CA-18,809Mar. 06, 1884J.A. RobbEdgercircular ripsaws
341,055May 04, 1886J.A. RobbSaw-guidecircular saw accessories
399,931Mar. 19, 1889H.C. RobbGang-edgercircular ripsaws
401,516Apr. 16, 1889J.A. RobbChimney or stack propeller and governorindustrial furnaces
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