Home › Authors › George Litch Roberts 👤 George Litch Roberts b. 1836 – d. 1929 · 4 books Books by George Litch Roberts Patentability of inventions an Patentability of inventions and the interpretation of patents 1927 Objective reality Objective reality 1925 The domain of utilitarian ethi The domain of utilitarian ethics 1903 Rational agnosticism Rational agnosticism