4. Communications, electrical: acoustic wave systems and devices
  5. Seismic prospecting
  6. Land-reflection type

John M. Powell

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Apparatus and method for measuring reservoir pressure changes

Measuring and testing – Fluid pressure gauge – Diaphragm
Patent

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Form tie

Static molds – In situ construction engineering type or building type-mold... – Forming building structure
Patent

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Form tie

Static molds – Uniting preform with molding material – Preform functions as partition means
Patent

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Household refrigerator and method of construction

Supports: cabinet structure – With heating – cooling or heat exchange means
Patent

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Method and apparatus for dynamically displaying geo-physical inf

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent

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Profile ID: LFUS-PAI-P-143228

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