| Patents for Karl L. Lindmark |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| GB-772,246 | Jun. 04, 1953 | K.L. Lindmark | Improvements in and relating to lapping machines | lapping machines |
| 2,663,978 | Dec. 29, 1953 | K.L. Lindmark | Lapper for carbide tipped tools | lapping machines |
| 2,751,723 | Jun. 26, 1956 | K.L. Lindmark | Lapper for carbide tipped tools | lapping machines |
| 3,509,667 | May 05, 1970 | K.L. Lindmark | Method of grinding welded rail | track maintenance machinery |
| 3,566,546 | Mar. 02, 1971 | K.L. Lindmark | Apparatus for grinding welded rail | track maintenance machinery |