Grinnell Corporation

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Westminster, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Early suppression fast response fire protection sprinkler
- Patent number 7,165,624
- Issue date Jan 23, 2007
- Grinnell Corporation
- Michael A. Fischer
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Dry pipe valve for fire protection sprinkler system
- Patent number 6,810,963
- Issue date Nov 2, 2004
- Grinnell Corporation
- Yoram Ringer
- A62 - LIFE-SAVING FIRE-FIGHTING