Miami Valley Inventors Historical Database

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Patent Number:

34100

Title:

Ladder, Step

Issue Date:

1862-01-07

Inventor(s):

Notes:

First safety step-ladder ever invented. See also, reissue patent RE2,010.

Patent Number:

RE2010

Title:

Ladder

Issue Date:

1865-06-27

Inventor(s):

Notes:

See also patent 34,100

Patent Number:

99622

Title:

Hinge for ladder-brackets

Issue Date:

1870-02-08

Inventor(s):

Notes:

F. B. Brocke, attorney

Patent Number:

99621

Title:

Ladder, Step

Issue Date:

1870-02-08

Inventor(s):

Notes:

F. B. Brocke, attorney

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