Key construction
United States Patent 3349589
US Patent References:
/1325189.html
- - 1325189

Bimetallic key blank
- - 2653492

Key
- - 2672747

Key retainer
- - 2694244

Key holder
- - 3137157


Inventors:
Alex, Fricke
Publication Date:
10/31/1967
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Assignee:
UNION TOOL COMPANY
Primary Class:
70/395
Other Classes:
D08/347, 70/456R, 70/408, 24/576.100
International Classes:
E05B19/04; E05B19/00
Foreign References:
FR564162A
FR1066638A
DE680416C
DE807979C