The full text of the patent can be found at Louisville, has been assigned an ornamental design patent (D728,727) developed by Grady Barfoot, Denver, Yehezkel Eitan, Fort Lupton, Tim Roberts, Erie, Richard Fitzpatrick, Longmont, Michael T. Mayberry, Denver, and Brad Bennett, Lafayette, for an ornamental design for a "rear folding sight for a firearm." The patent application was ...
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