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Patent number:
Patent Date:
Patents Granted on 1811-03-07
Patents 1 - 2 of 2
Number
Date
Patentee
Title
Type
1,469X
Mar. 07, 1811
L. Gray
Double forcing pump
pumps
1,470X
Mar. 07, 1811
I. Swan
Planking and felting hats
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