4. A - Human Necessities
  5. 62
  6. C

James G. Retzloff

A - Human Necessities – 62 – C

Inventor

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Inventor

Country: United States Of America

Combined trigger and concealing device for a sprinkler head

A - Human Necessities – 62 – C
Patent

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Concealed sprinkler head

A - Human Necessities – 62 – C
Patent

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Cover plate for concealed sprinkler

A - Human Necessities – 62 – C
Patent

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Thrust reverser sprinkler head

A - Human Necessities – 62 – C
Patent

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Wet pipe fire protection system

A - Human Necessities – 62 – C
Patent

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Profile ID: LFCA-PAI-P-1728896

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