US Patent: 2,077,828


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Ruler

Patentee:

Briney S. Dombrowski (exact or similar names) - Seneca Falls, NY

USPTO Classifications:

33/494, D10/71

Tool Categories:

rules

Assignees:

Westcott Rule Co., Inc. - Seneca Falls, NY

Manufacturer:

Unknown

Witnesses:

none listed

Patent Dates:
Applied:	Mar. 19, 1935
Granted:	Apr. 20, 1937

Patent Pictures:

B. S. Dombrowski patent April 20, 1937

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Description:

The patent describes ruler markings using heavy and light lines, and distinctive blocks to facilitate distinguishing fractions of inch -- 1/4 inch is mentioned.

The basic ruler includes a brass edge insert as described in patent no. 370,668.

A known example includes the patent number.