US Patent: 881,887
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| Marking Gage
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Patentees:
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| Frank A. Johnson (exact or similar names) - Chicago, IL |
| Oscar T. Anderson (exact or similar names) - Chicago, IL |
| USPTO Classifications: |
| 33/44 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 29, 1907 |
| Granted: |
Mar. 17, 1908 |
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Ralph Brendler
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Description: |
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This is a very simple butt gage, which uses two independant arms
arranged at right angles to each other. This arrangement allowed
the two measurements to be used without affecting each other.
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