Drilldown: Patents

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Patents > Inventors : Henri Roger Jules Richard van Helleputte or John Addis & Grant date: 1970 - 1979

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Inventors: (Click arrow to add another value)
Company:
Tektronix Inc (4)
Filing date:
1969 (1) · 1970 (1) · 1974 (1) · 1977 (1)
Grant date:
1971 (1) · 1973 (1) · 1975 (1) · 1979 (1)
Cites:
None (4)
Links:
None (2) · 485 (1) · 7104 (1) · 7A29 (1) · 7F10 (1)

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