Miami Valley Inventors Historical Database

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Patent Number:

117912

Title:

Combination Lock

Issue Date:

1871-08-08

Inventor(s):

Notes:

D.P. Holloway and Co., attys.

Patent Number:

126074

Title:

Permutaion Lock

Issue Date:

1872-04-23

Inventor(s):

Notes:

T.H. Alexander and Co., attys.

Patent Number:

145223

Title:

Permutation Lock

Issue Date:

1873-12-02

Inventor(s):

Notes:

Alexander and Mason, attys.

3640 Colonel Glenn Highway, Dayton, Ohio 45435. Phone: 937.775.2525