| All Patents of Type: cylinder maintenance |
Patents 1 -
15
of 39
      |
| Number | Date | Patentee | Title | Type |
| 1,209,513 | Dec. 19, 1916 | E.C. O'Hair, A. Storm | Boring-machine | automotive tools |
| 1,522,720 | Jan. 13, 1925 | H.C. Heon | Cylinder-grinding tool | cylinder maintenance |
| 1,531,775 | Mar. 31, 1925 | K.R. Wilson | Combination machine for cylinder block repairing | automotive tools |
| 1,576,593 | Mar. 16, 1926 | A.F. Froussard | Cylinder hone | cylinder maintenance |
| 1,679,506 | Aug. 07, 1928 | A. Storm | Cylinder-renewing machine | cylinder maintenance |
| GB-300,746 | Nov. 22, 1928 | H.M. Co. | Improvements in Cylinder Grinders | cylinder maintenance |
| CA-285,926 | Dec. 25, 1928 | G.J. Lindroth, E.A. Hall | Cylinder Hone | honing tools |
| 1,698,394 | Jan. 08, 1929 | E.E. Davis | Boring device | cylinder maintenance |
| CA-290,588 | Jun. 18, 1929 | E.A. Hall | Cylinder Hone | honing tools |
| 1,723,160 | Aug. 06, 1929 | E.A. Hall | Supporting Standard for Cylinder Hones | honing tools |
| 1,745,207 | Jan. 28, 1930 | E.E. Davis, C.C. Koeln | Cylinder-reboring machine | cylinder maintenance |
| 1,796,842 | Mar. 17, 1931 | E.A. Hall | Cylinder Hone | honing tools |
| 1,831,172 | Nov. 10, 1931 | E.A. Hall | Cylinder Hone | honing tools |
| 1,868,440 | Jul. 19, 1932 | E.A. Arp | Boring machine and method | automotive tools |
| 1,870,350 | Aug. 09, 1932 | F.D. Van Norman | Adjustable boring head | cylinder maintenance |
