4. Fluid reaction surfaces (i.e., impellers)
  5. Miscellaneous

J. Robert Fricke

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Charging system for seismic gas exploder

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Damping system for vibrating members

Fluid reaction surfaces (i.e. – impellers) – Miscellaneous
Patent

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Damping systems for vibrating members

Fluid reaction surfaces (i.e. – impellers) – Miscellaneous
Reexamination Certificate

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Low sound speed damping materials and methods of use

Static structures (e.g. – buildings) – Machine or implement
Reexamination Certificate

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Method and apparatus for damping structural vibrations

Static structures (e.g. – buildings) – Machine or implement
Patent

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Profile ID: LFUS-PAI-P-513220

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