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US Patent: 1,151,635
Lens-measure
Diopter gage
Patentee:
Austin T. Webb - Chicago, IL

USPTO Classifications:
33/507

Tool Categories:
trade specific : optician

Assignees:
Geneva Optical Co. - Chicago, IL

Manufacturer:
Geneva Optical Co. - Chicago, IL

Witnesses:
Charles W. Peterson
L. M. Hopkins

Patent Dates:
Applied: Jan. 25, 1913
Granted: Aug. 31, 1915

Patent Pictures:
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Description:
The patent dates for this patent and the earlier patent 703,725 were seen on a "Geneva Lens Measure"; it also said, "Pat'd Great Britain, Germany & France."

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