Drilldown: Patents
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Patents > Inventors:
Duane A. Haven
& Company
:
Audio Precision
or
Tektronix Inc
or
Triquint Semiconductor Inc. ![](/tekwiki/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (5) ·
Patent US 3293473A (2) ·
Patent US 3293474A (1) ·
Patent US 3339099A (1) ·
Patent US 3531675A (2) ·
Patent US 3594607A (3) ·
Patent US 3611000A (1) ·
Patent US 3710173A (3) ·
Patent US 3956662A (2) ·
Patent US 3978366A (3) ·
Patent US 3982150A (2) ·
Patent US 4110659A (1) ·
Patent US 4139800A (1) ·
Patent US 4159439A (2) ·
Patent US 4185227A (1) ·
Patent US 4254360A (1)
Showing below up to 8 results in range #1 to #8.