Lyon v. Donaldson

This suit was tried by the court, under a stipulation of the parties, without a jury. .It is an action on the case for alleged infringement of patent No. 321,87G, granted to plaintiff, June 30, 1885, for a “machine for swaging and jointing saws.” The device, as shown and described, is only applicable to circular saws, and the chief features of the improvement' covered by the patent are a movable anvil upon which the saw-tooth rests while it is swaged to the width necessary for clearance by means of a hammer in the hand of the operator, the anvil also resting upon an adjustable support. The…