| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Bruce T. Hein | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 3,207,934 | Sep. 21, 1965 | R.I. Robinson, B.T. Hein, J.W. Purman | Electric motor with improved cooling means | motor cooling | |
| CA-733,203 | Apr. 26, 1966 | J.W. Purman, B.T. Hein, R.I. Robinson | Electric motor with improved cooling means | motor cooling | |