US Patent: 2,077,828
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| Ruler
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Patentee:
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| Briney S. Dombrowski (exact or similar names) - Seneca Falls, NY |
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Patent Dates:
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| Applied: |
Mar. 19, 1935 |
| Granted: |
Apr. 20, 1937 |
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Patent Pictures:
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B. S. Dombrowski patent April 20, 1937 |
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Stan Schulz
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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. |
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