| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1972-02-22 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 3,643,335 | Feb. 22, 1972 | E.J. Smith | Tile Marking Device | scribes | |
| 3,643,531 | Feb. 22, 1972 | C.J. Myers, E.J. Kaiser, J.E. Burke | Mechanical check | turret lathes | |