4. Acoustics
  5. Geophysical or subsurface exploration
  6. Seismic wave generation

Frederick L. Bergert

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Anti-siphoning device

Receptacles – Container attachment or adjunct – Filling member
Patent

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Apparatus and seismic method

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Artificial and mechanical tree

Stock material or miscellaneous articles – Special occasion ornament – Collapsible
Patent

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Building layout for restaurant and artist work/exhibit area

Static structures (e.g. – buildings) – Including component designed to receive a disparate article... – Articles form traffic path arrangement
Patent

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Deep sea tank and seaport system

Ships – Warships – Turret
Patent

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Profile ID: LFUS-PAI-P-283761

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