| Patents Granted on 1971-12-?? |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 3,625,263 | Dec. 07, 1971 | J.F. Kopczynski | Roll bending machine and method | |
| 3,625,267 | Dec. 07, 1971 | R.E. Wellborn | Stump removal machine | specialty woodworking machines |
| 3,626,118 | Dec. 07, 1971 | H.R. Botefuhr | Radial arm saw with a depressible key for unlocking a switch-actuating trigger | radial arm saws |
| DE-1,773,904 | Dec. 09, 1971 | C.L. Hamel, J. Klink, J.P. Murphy | Elektronische Anzeigevorrichtung | |
| 3,628,498 | Dec. 21, 1971 | A.H. Kleinsorge | Optical Reader Assembly | optical measuring gauges |
| DE-2,058,197 | Dec. 23, 1971 | F.J. Kriz | Copy processing machine | |
| 3,629,910 | Dec. 28, 1971 | C.C. Hsiao, R.C. Kirberg | Handle Assembly for Picture Projection Screen | audio-visual apparatus |
| 3,630,244 | Dec. 28, 1971 | T.E. Clyce, J.Y. Cromeens | Saw apparatus with laterally adjustable saws | circular saws |
| 3,630,359 | Dec. 28, 1971 | H.M. Harper, P. Pan | Multiple-Drum Interceptor | sewage treatment apparatus |