Prison Lock Patent Print
This Patent for a Prison Lock was invented by Henry Towne and filed on November 12, 1877. It was issued on February 12, 1878 by the United States Patent and Trademark Office.
Please Choose your Options for your Patent Print:
Discounts: Buy more - save more
Buy 3 or more items, get 5% off
Buy 5 or more items, get 8% off
Buy 7 or more items, get 10% off
Buy 10 or more items, get 15% off