4. Communications, electrical: acoustic wave systems and devices
  5. Borehole testing

Duane Marshall

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Apparatus for underwater image-recording as by sonar-triggered e

Communications – electrical: acoustic wave systems and devices – Borehole testing
Patent

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Bottom margin indicator apparatus for typewriters and the like

Typewriting machines – Means auxiliary to typewriting function – Indicator means
Patent

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Foldable lantern base

Illumination – Supports – Convertible support
Reexamination Certificate

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Foldable lantern base

Illumination – Supports – Convertible support
Reexamination Certificate

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Process of and apparatus for exploring objects detected by diffe

Communications: electrical – Selective – Monitoring in addition to control
Patent

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Profile ID: LFUS-PAI-P-871967

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