Which major consumer brand successfully repurposed surplus M1 helmet steel after WWII to create one of their most iconic household products?

The M1 helmet is one of the most iconic pieces of military equipment in history. Introduced during WWII, it protected American troops for decades and became a symbol of the American soldier. Beyond its practical purpose, the M1 gained cultural significance and influenced civilian products as well. Test your knowledge about this famous product's commercial impact and brand legacy!

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Coleman (for their camping stoves)
Weber (for their kettle grills)
Stanley (for their thermos bottles)
Zippo (for their windproof lighters)