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US Patent: 900,297
Jar Opener
Patentee:
Joseph F. McCain (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
15/104.012, 30/439, 7/152, 81/3.43

Tool Categories:
household : can and jar openers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 03, 1906
Granted: Oct. 06, 1908

Patent Pictures:
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