ALDRICH, Chief Judge.
This appeal by Emanuel Torti, the owner of Patent No. 3,089,310, from a finding of non-infringement raises a single question. The patent, known as a Trench Shoring Machine, is a combination patent that provides self-propelled parallel shields, whose purpose is to line and shore both sides of the trench during back-hoe and pipe-laying operations, "to prevent cave-ins and the like." There is substantial need for such a device because pipes are...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.