| Patents Granted on 1964-07-21 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 3,141,228 | Jul. 21, 1964 | R.W. Berry, Jr., W. Bader | Toolholder | insert tool holders |
| 3,141,267 | Jul. 21, 1964 | A.H. Dall, J. Decker, H.E. Luebkemann | Precision Grinding Machine | cylindrical grinders |
| 3,141,268 | Jul. 21, 1964 | C.J. Schonhoft, W.B. Seidel | Grinding Machine Spindle | grinding machines |
| 3,141,335 | Jul. 21, 1964 | N.J. Smith | Pressure relief means for gauges | vacuum and pressure gauges |
| 3,141,349 | Jul. 21, 1964 | D.I. McDonald | Ball Bearing Screw and Nut Mechanism | metalworking machine mechanisms |
| 3,141,385 | Jul. 21, 1964 | H.R. Uhtenwoldt | Precision Indexing Mechanism for Machine Tools | indexers and dividers |
| 3,141,514 | Jul. 21, 1964 | K.C. Allen, D.A. Meeker | Recording scale | |
| 3,141,591 | Jul. 21, 1964 | A.J. Lindenberger | Dispensing Mechanism | roll dispensing apparatus |
| 3,142,006 | Jul. 21, 1964 | C. Stead | Permanent Magnetic Chuck | magnetic chucks |
