Raymond v. Boston Woven Hose Co.

The complainants aro the owners of two patents, numbered, respectively, 197,716 and 197,717, dated December 4, 1877, granted to J. A. Caldwell, the first being for an improved strap for securing hose to the coupling, and the second for an implement for fastening such hose-straps. The defendant is charged with infringement of these patents. The present hearing is upon a motion for a preliminary injunction. The first ground of defense is that the plaintiffs have shown neither prior adjudication sustaining the validity of the patents, nor public acquiescence upon which a presumption of validity…