subjectheading:[Patents -- United States -- Classification] - Search Results

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University of Southern Indiana	1 records found	Search took 0.21 seconds.

[Washington, D.C.] : U.S. Dept. of Commerce, Patent and Trademark Office : [Supt. of Docs., U.S. G.P.O., distributor

T223 .A25 | Multiple e-resources available | Available Online |

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