Title:
Key
United States Patent 2672747
US Patent References:
/1244450.html
- - 1244450

Tactual indicator
- - 1692686

Identification system for keys
- - 1816642

Key blank
- - 2065294

Key construction
- - 2065468


Inventors:
Craig, Burnie J.
Publication Date:
03/23/1954
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Assignee:
Craig, Burnie J.
Primary Class:
70/406
Other Classes:
D08/347, 70/408
International Classes:
E05B19/04; E05B19/00