Patent US 3701993A
Patent number | US 3701993A (click link for details and documents via Google Patents) |
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Title | Ramp generator [for] a chart recorder |
Inventors | Hans Geerling |
Company | Tektronix Inc |
Filing date | 1971-06-28 |
Grant date | 1972-10-31 |
Patent number | US 3701993A (click link for details and documents via Google Patents) |
---|---|
Title | Ramp generator [for] a chart recorder |
Inventors | Hans Geerling |
Company | Tektronix Inc |
Filing date | 1971-06-28 |
Grant date | 1972-10-31 |