| Patents for Lewis R. Heim |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 1,264,928 | May 07, 1918 | L.R. Heim | Device for Feeding Rolls for End Grinding |
| | 1,264,929 | May 07, 1918 | L.R. Heim | Grinding Machine |
| | 1,264,930 | May 07, 1918 | L.R. Heim | Roll Grinding Machine |
| | 1,281,366 | Oct. 15, 1918 | L.R. Heim | Method of Grinding Hardened Rolls |
| | 1,644,057 | Oct. 04, 1927 | L.R. Heim | Grinding Machine |
| | 1,647,129 | Nov. 01, 1927 | L.R. Heim | Grinding |
| | 1,647,130 | Nov. 01, 1927 | L.R. Heim | Art of Grinding |
| | 1,647,131 | Nov. 01, 1927 | L.R. Heim | Grinding |
| | 1,683,974 | Sep. 11, 1928 | L.R. Heim | Grinding Apparatus |
| | 1,691,061 | Nov. 13, 1928 | L.R. Heim | Grinding Device |
