Automatic Fire Alarm Patent Print Chalkboard (16″ x 20″) M15516

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This is a reproduction of the original Patent for a Automatic Fire Alarm Patent Print.

It was invented by Robert J. Baker and filed on April 28, 1897. It was issued on March 15, 1898 by the United States Patent and Trademark Office.

Printed on Acid-free heavyweight Chalkboard Matte Paper
Printed using archival inks meant to last years
Your selection fits a 16″ x 20″ Frame or can be matted or hung on your Wall without a Frame.
School Chalkboard color

Price: $25.95
(as of Oct 22,2021 02:36:09 UTC – Details)

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