4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

William Holt

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Electrical alarm system for installation in a window casing

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Method and apparatus for controlling water system fouling

Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Reexamination Certificate

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Method and apparatus for controlling water system fouling

Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Reexamination Certificate

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Method and apparatus for controlling water system fouling

Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and system for controlling water system fouling

Liquid purification or separation – Flow – fluid pressure or material level – responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1082449

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