US Patent Issued on Aug. 25 for "Open pit mining hole sealing device" (Colombian Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,143,926, issued on Aug. 25.

"Open pit mining hole sealing device" was invented by Cesar Estevez Bianchini (Bogota, Colombia).

The patent was filed on March 5, 2024, under Application No. D/931,106.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1143926&OS=D1143926&RS=D1143926

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