Handy reference card identifies year that object was patented starting with patent #1 in 1836. Wall/desk size. Yellow, laminated with heavy 5 mil. plastic. Unlocks the mystery of "when it was made."
$ 40.65
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Handy reference card identifies year that object was patented starting with patent #1 in 1836. Wall/desk size. Yellow, laminated with heavy 5 mil. plastic. Unlocks the mystery of "when it was made."
$ 43.18
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$ 29.54
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