| Patents Granted on 1971-03-?? |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 3,566,495 | Mar. 02, 1971 | G. Notari, G. Romagnolo, M. Delattre | Adjustable Clamping Device for Tool Holders | insert tool holders |
| 3,566,516 | Mar. 02, 1971 | E.F. Drechsler, W.E. Brainard | Multi-spindleTool Changer | tool changers and storage mechanisms |
| 3,566,545 | Mar. 02, 1971 | C.F. Gasek | Tap Grinder | grinding fixtures |
| 3,566,546 | Mar. 02, 1971 | K.L. Lindmark | Apparatus for grinding welded rail | track maintenance machinery |
| 3,566,747 | Mar. 02, 1971 | C.W. Frame | Self-regulating expansion type control valve | drop hammers |
| 3,567,302 | Mar. 02, 1971 | A.W. Carlson | Sliding door cabinet construction | |
| 3,568,283 | Mar. 09, 1971 | E. Wyss | Metal Cutting Tool | insert tool holders |
| 3,568,566 | Mar. 09, 1971 | M. Weidig | Tool Spindle Mechanism | metalworking machine tool holders |
| 3,568,739 | Mar. 09, 1971 | C.E. Kirk | Rafter gauge | gauges |
| 3,570,190 | Mar. 16, 1971 | R.D. Rutt | Belt sanding and polishing machine | sanding machines |
| 3,570,296 | Mar. 16, 1971 | J.R. Buta | Automatic spacer blocks for rolling mill work roll chocks | rolling mills |
| 3,571,912 | Mar. 23, 1971 | E.J. Kielma | Multi-tool Tool Changer | tool changers and storage mechanisms |
| 3,572,195 | Mar. 23, 1971 | E.F. Gourley | Quick-change toolpost | lathe tool holders and tool posts |
| 3,572,197 | Mar. 23, 1971 | R.M. Ortlieb | Adjustable Toolholder | drilling and boring tool holders |
| 3,572,396 | Mar. 23, 1971 | H.R. Hoffman, H.L. Sidenstick | Rubber band stack and method and apparatus for its manufacture | packing and packaging machines |
