| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Hans Goldschmidt | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 3,181,252 | May 04, 1965 | H. Goldschmidt, A.B. Sanford | Teaching device (tutor toy) | ||
| 3,230,642 | Jan. 25, 1966 | H. Goldschmidt | Teaching and testing apparatus | ||
| 3,473,802 | Oct. 21, 1969 | O. Helmer, T.J. Gordon, H. Goldschmidt | Apparatus for playing a game involving forecasting of future events | ||