B23G 1/06

Specially adapted for making conical screws

Official title: specially adapted for making conical screws, e.g. wood-screws

B23G1/06 (Specially adapted for making conical screws) appears on 8 US grants and 2 published applications in this corpus.

Search patents in B23G
Granted patents
8
Published applications
2
Assignees
8
Inventors
13
Latest grant
8 Oct 2002