In the Senate of the United States. May 17, 1880. -- Ordered to be printed. Mr. Hoar, from the Committee on Patents, submitted the following report. (To accompany Bill S. 1761.) The Committee on Patents, to whom was referred the petition of Martha J. Coston, praying for the passage of a bill permitting her to make application to the Commissioner of Patents for a further extension of a patent for the Coston Night Signals, have considered the same and respectfully report..