| All Patents in class 428/596 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 297,242 | Apr. 22, 1884 | J.E. Emerson | Tab-plate for saws | sawblades |
| 665,873 | Jan. 15, 1901 | E.G. Budd | Sheet-metal spoke-blank | industrial machine pulleys and belt drive mechanisms |
| 1,303,829 | May 13, 1919 | G.A. Vogel | Stock for Spirit Levels | metallic levels |
| 2,197,076 | Apr. 16, 1940 | W.R. Meyer, W.F. Groene | Crankshaft Blank | crankshafts |
| 2,333,859 | Nov. 09, 1943 | W.L. Groene | Crankshaft Blank | crankshafts |
| 2,456,856 | Dec. 21, 1948 | C.J. Bath | Bolster Block | metal bending machines |
