| Patents Granted on 1975-03-?? |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 3,868,790 | Mar. 04, 1975 | R.A. Fricke | Spark plug cleaner | vehicle mechanic |
| 3,869,801 | Mar. 11, 1975 | G.A. Lycan | Gauge for measuring the degree of alignment at the inner surfaces of two tubular members positioned end to end | special measuring tools |
| 3,869,803 | Mar. 11, 1975 | M.E. Vaughan | Drill guide for enlarging engine valve stem guides | automotive tools |
| 3,871,721 | Mar. 18, 1975 | W.R. Siebert | Pre Loaded Hydrostatic Way Bearing | metalworking machine mechanisms |
| 3,871,795 | Mar. 18, 1975 | R.T. Habdo, W.P. Burger | Fan construction | |
| D234,625 | Mar. 25, 1975 | E.R. Lohneis | Tool change arm for transferring tools between a tool storage magazine and a tool operator | metalworking machines |
| 3,872,626 | Mar. 25, 1975 | P.H. White | Grinding Machine with Tilting Table | surface grinders |
| 3,872,627 | Mar. 25, 1975 | G.L. Schuster | Wide belt sanding machine with improved dust collector | belt sanders |
| 3,872,743 | Mar. 25, 1975 | D.E. deCaussin | Removable Attachment for Automating Milling Machines | milling machine accessories |
| 3,873,862 | Mar. 25, 1975 | T.C. Butler | Double-insulated handheld circular saw | handheld circular saws |
