The US Court of Appeals for the Sixth Circuit concluded that a knurling pattern on a rifle scope can be an ornamental design and vacated the district court’s grant of a summary judgment. Leapers, Inc.

Knurling tools are used to impart a regular surface pattern on the outside of a part for gripping or aesthetic purposes. Often, the imparted pattern is diamond shaped or parallel. A knurling tool is a ...

Have you heard of knurling? If not, you're about to start noticing it on various objects everywhere you go. Knurling, a unique process for texturizing metal, is typically done for functional reasons; ...