Leonard R Malkowsk

TOOL-CHANGING DEVICE
US Patent 3,639,225, 1972
United States Patent Malkowski et al. 3,639,225 [45j Feb. 1,1972 [54]
TOOL-CHANGING DEVICE [72] Inventors: Leonard R. Malkowski, La Grange; Sigmund
H. Bielak, Downers Grove, both of 111. [73] Assignee: Anocut Engineering ...

TOOL-CHANGING DEVICE
LR Malkowski, SH Bielak, P It - US Patent 3,639,225, 1972 - freepatentsonline.com
Mechanism for replacing electrode tools supported in a holder of an
electromechanical machining device and in which the holder clamps the tool and
automatically provides an electrolyte flow path as well as an electrical ...

Improvements in or relating to electrolytic shaping and cavity sinking apparatus Drawing from GB Patent 1021447 Applicant ANOCUT ENG CO Inventor not available Publication Date 1966-03-02 Int. Classification B23H3/00; B23H3/00; European Classification B23H3/00 Application number GB19630022514 19630606 Priority number(s) US19620201679 19620611 Also published as US3287246 (A1); NL293859 (A); DE1440942 (A1); CH402221 (A) Inventor: LYNN ALFRED WILLIAMS (US); LEONARD MALKOWSKI (US)Applicant: ANOCUT ENG CO (US) (BR) EC: B23H3/00 IPC: B23H3/00;B23H3/00; (IPC1-7): B23P Publication info: CH402221 A - 1965-11-15 - -

3,130,140 - Leonard Malkowski, LaGrange, Ill. Electrolytic Cavity Sinking Apparatus Patent dated Apr. 21, 1964. Dedication filed Dec. 23, 1971, by the assigness, Anocut Engineering COmpany. Hereby dedicates to the publis the portion of the term of the patent subsequent to Dec. 24, 1971 (Official Gazette March 21, 1972)