US Patent Issued to Rolf Effertz on June 23 for "Screwdriver" (Canadian Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,153, issued on June 23, was assigned to Rolf Effertz (Delta, Canada).

"Screwdriver" was invented by Rolf Effertz (Delta, Canada) and Hermann Fruhm (Pitt Meadows, Canada).

The patent was filed on April 24, 2024, under Application No. D/939,032.

*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=D1131153&OS=D1131153&RS=D1131153

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