with the firm to produce holloware exclusively for Tiffany's, in sterling silver (925 parts per 1,000 parts silver) rather than the then-typical American coin silver, and in 1868 the firm was acquired by Tiffany.

Moore was the second American silversmith (after Michael Gibney) to patent silver flatware designs, in 1847 receiving patent numbers 114 (Louis XIV) and 124 (pattern name unknown).