
Pp789-vintage Parchment Duck Call Patent Poster

by Cole Borders
Title
Pp789-vintage Parchment Duck Call Patent Poster
Artist
Cole Borders
Medium
Digital Art - Digital Art
Description
Displayed is a United States patent for a duck caller, issued on May 1, 1979, with the patent number 4,151,678 to inventor Phil A. Robertson. Technical drawings illustrate the design and functionality of the device in various figures; Figure 1 shows a side view, Figure 2 provides a cross-sectional view, Figure 3 details a cross section of a specific part, and Figure 4 exhibits a perspective view. The patent is marked with reference numerals that point to the different components and aspects of the invention.
Uploaded
March 12th, 2020
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