4. Movable or removable closures
  5. Safety means responsive to obstruction to closure

Ralph Giffone

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Control system with capacitive detector

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Control system with capacitive detector

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Digital iterative gain control

Optical communications – Receiver
Reexamination Certificate

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Garage door opener with remote safety sensors

Movable or removable closures – Safety means responsive to obstruction to closure
Patent

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Profile ID: LFUS-PAI-P-1857090

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