New Haven Sand Blast Co. v. Dreisbach

The defendant’s first and fourth contentions are that Exhibit A is null and void because the original contract, Exhibit A, does not conform to the antecedent negotiations for the sale of the Dreisbach patent to the plaintiff as evidenced by the records of the corporation, in that there is no mention in those records of a covenant for future conveyances; and, further, because it is claimed that Exhibit A was restated and superseded by the subsequent execution of Exhibit R, which is a second written assignment of the patent to the plaintiff, not containing the covenant for future conveyances.

The…