Kohler, Wis. — Kohler, a global leader in the manufacture of kitchen and bath products, continues to expand its presence on the West Coast with the opening of its new Signature Store in San Francisco. Owned and operated by Keller Supply, the store is the first of its kind in the Bay Area and promises to be a premier design and product destination. Situated in the heart of San Francisco’s design district, the store spans 4,300 square feet and embraces the neighborhood’s industrial feel with original barrel ceilings and exposed …