Ring guard combination lock

Ring guard combination lock

United States Patent 3339383

US Patent References:
Combination lock construction
3170316

Combination lock
2807954

Permutation lock
2575674

Inventors:

Miller, Harry C.
Paul, George D.
Thomolaris, John Z.

Publication Date:

09/05/1967

Export Citation:

Assignee:

SARGENT & GREENLEAF

Primary Class:

70/333R

International Classes:

E05B37/08; E05B37/00

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