| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1983-12-13 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,419,824 | Dec. 13, 1983 | J. Oberhans | Digital Electrial Length Measuring Instrument | measurement gauges | |
| 4,420,677 | Dec. 13, 1983 | E.J. Partington | Heating system | ||