KIRKWOOD

commutators; slip rings used for providing electrical contact; parts for commutators and electric slip rings, namely, springs made of metal for use with carbon brushes, carbon graphite, electrographitic and metal graphite brush grades and brushes, and bimetallic electrical contacts

[custom fabricated mica products, namely, mica paper, mica splittings, mica plates, mica tapes, and mica composites, all for use in the further manufacture of components of commutators]