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All Patents in class 310/93 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 894,782 | Jul. 28, 1908 | G.H. Rowe | Rock hammer-drill | |
![]() | 973,216 | Oct. 18, 1910 | G.H. Rowe | Electromechanical device | |
![]() | 1,123,404 | Jan. 05, 1915 | W.T. Sears | Shock-absorber | |
1,604,415 | Oct. 26, 1926 | J.J. Kane | Electric Power System | ||
2,028,374 | Jan. 21, 1936 | G.R. Anderson | Torque Testing Apparatus |