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Patent number:
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Patents for William H. Putnam
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
1,262,979
Apr. 16, 1918
W.H. Putnam
Force-feed lubricator
1,262,980
Apr. 16, 1918
W.H. Putnam
Grease Gun
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