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Patents for Melvin A. Yeakley
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
476,028May 31, 1892M.A. YeakleySafety attachment for railway-trolleysrailroad cars and carriages
568,395Sep. 29, 1896M.A. YeakleyPneumatic hammerpower hammers
693,939Feb. 25, 1902M.A. YeakleyPneumatic hammerpower hammers
1,141,675Jun. 01, 1915M.A. YeakleyAnti-friction bearingindustrial machine bearings
1,146,834Jul. 20, 1915M.A. YeakleyTrolley-catcherrailroad cars and carriages
1,335,310Mar. 30, 1920M.A. YeakleyInternal-combustion engineinternal combustion engines
1,414,244Apr. 25, 1922M.A. YeakleyLubrication for engine valvesinternal combustion engines
1,452,995Apr. 24, 1923M.A. YeakleyValve-operating connectioninternal combustion engines
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