McIntosh v. Groomes

By written agreement, plaintiff transferred to defendant the exclusive right to manufacture and sell certain valves under a patent of which she was the owner. The contract contained the following provisions:

“It is further mutually understood and agreed that the said Harry M. Groomes, party of the second part, is to pay to the said party of the first part, from the sale of said valves, the sum of one thousand dollars per annum, payable at the rate of ten cents for each and every valve sold, said payments of said royalties to be paid to the said Grace McIntosh during her natural life unless the…