| Patents Granted on 1970-12-?? |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 3,543,445 | Dec. 01, 1970 | J.R. Southland, E. Borchert, III | Apparatus for grinding drills | drill grinders |
| 3,545,247 | Dec. 08, 1970 | R.J. Fazzini | Bending machine | metal bending machines |
| 3,545,312 | Dec. 08, 1970 | T.F. Angquist | Reversible Cam Lock Driver | ratcheting screwdrivers |
| 3,545,315 | Dec. 08, 1970 | F. Patrick | Pliers | locking pliers |
| 3,545,316 | Dec. 08, 1970 | F. Patrick | Pliers | locking pliers |
| 3,545,335 | Dec. 08, 1970 | R.A. Lehmkuhl | Spindle Clamp | metalworking machine mechanisms |
| 3,545,884 | Dec. 08, 1970 | J.W. Schroeter, D.N. Stewart | Adjustable fan construction | |
| 3,546,570 | Dec. 08, 1970 | T.B. Bullock | Method for Driving Controlled Currents Through the Stator Windings of a Position Measuring Transformer | transformers |
| 3,546,759 | Dec. 15, 1970 | F. Sirola | Cutting tool | lathe tool holders and tool posts |
| 3,547,505 | Dec. 15, 1970 | D.E. Ott, A.W. Carlson | Biological service center | |
| 3,547,800 | Dec. 15, 1970 | P. Pan | Apparatus and Method for Purifying Waste Waters | sewage treatment apparatus |
| 3,548,255 | Dec. 15, 1970 | R.J. Kyp | Incandescent lamp with oscillating filament | incandescent light bulbs |
| 3,548,896 | Dec. 22, 1970 | R.C. Larsen, J. May | Dimensional cutting saw apparatus | sawmill carriages |
| 3,550,230 | Dec. 29, 1970 | H.F. Armstrong | Cutting Tool with Chip Breaker | lathe tools |
| 3,550,487 | Dec. 29, 1970 | M.L. Hutchens, J.S. Randall, E.F. Drechsler, W.E. Brainard | Machine Tool | numerically controlled lathes |
