Famous quotes containing the words patent of, patent and/or invention:
“There is a patent office at the seat of government of the universe, whose managers are as much interested in the dispersion of seeds as anybody at Washington can be, and their operations are infinitely more extensive and regular.”
—Henry David Thoreau (18171862)
“The cigar-box which the European calls a lift needs but to be compared with our elevators to be appreciated. The lift stops to reflect between floors. That is all right in a hearse, but not in elevators. The American elevator acts like the mans patent purgeit works”
—Mark Twain [Samuel Langhorne Clemens] (18351910)
“When she asked him about birth control, he sat down beside her and talked for half an hour about what a great woman Margaret Sanger was and how birthcontrol was the greatest single blessing to mankind since the invention of fire.”
—John Dos Passos (18961970)