Black & Decker Manufacturing Co. v. Disston, Inc.

OPINION

JOHN L. MILLER, District Judge.

This patent infringement suit brought by the Black and Decker Manufacturing Company against Disston, Inc. principally involves the manufacture and sale of cordless electric hedge trimmers. Black and Decker claims that Disston is guilty of infringing its Patent No. 3,757,194 issued on September 4,1973. The thrust of Disston’s defense is that the subject patent is invalid for obviousness. At the outset we note that this case, by patent litigation standards, is not that complicated. That factor we believe will facilitate the understanding of our approach to…