Robert D. Tramm

Follow

Person

Warwick, RI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Deflector for horizontal-type fire sprinklers
- Patent number 5,810,263
- Issue date Sep 22, 1998
- Grinnell Corporation
- Robert D. Tramm
- A62 - LIFE-SAVING FIRE-FIGHTING