All Patents of Type: internal grinders |
Patents 1 -
15
of 19
|
Number | Date | Patentee | Title | Type |
408,876 | Aug. 13, 1889 | H.J. Distin | Grinding Tool | internal grinders |
656,664 | Aug. 28, 1900 | E.B. Roth | Grinding Machine | internal grinders |
GB-191,323,907 | Dec. 04, 1913 | H.H. Asbridge, S.H. March | Improvements in Internal Grinding Machines | internal grinders |
GB-191,501,172 | Jul. 08, 1915 | H.H. Asbridge, S.H. March | Improvements in Internal Grinding Machines and Like Machines. | internal grinders |
1,337,139 | Apr. 13, 1920 | G.C. Kimmel | Grinding Machine | internal grinders |
1,337,140 | Apr. 13, 1920 | G.C. Kimmel | Grinding Machine | internal grinders |
1,339,409 | May 11, 1920 | A.L. Smith, W.S. Myers | Portable Boring and Grinding Device for Automotive Cylinders | portable turning tools |
1,394,418 | Oct. 18, 1921 | G.W. Lant | Grinding Machine | internal grinders |
1,522,465 | Jan. 06, 1925 | G.C. Kimmel | Internal Grinding Machine | internal grinders |
1,534,301 | Apr. 21, 1925 | P. Conradson | Grinding Machine | internal grinders |
1,534,302 | Apr. 21, 1925 | K.F. Gallimore, H.E. Kempton, P. Conradson | Grinding Machine | internal grinders |
1,535,452 | Apr. 28, 1925 | P. Conradson | Grinding Machine | internal grinders |
1,632,600 | Jun. 14, 1927 | F.O. Hoagland | Internal Grinding Machine | internal grinders |
1,674,973 | Jun. 26, 1928 | C.F. Clark, A.L. Kline | Grinding Machine | internal grinders |
1,717,899 | Jun. 18, 1929 | G.D. Sundstrand | Grinding Machine | internal grinders |