Apparatus for electrolytically penetrating shell casings
United States Patent 2741594
Inventors:
Bowersett, Charles F.
Publication Date:
04/10/1956
Assignee:
Bowersett, Charles F.
Other Classes:
216/91, 216/92, 204/238, 42/76.020, 216/100, 204/224M
International Classes:
B23H9/16; C25F3/02; B23H9/00; C25F3/00
US Patent References:
| 2385198 | Method for forming drawing holes in carbide die nibs | | | |