ALEXANDRIA, Va., March 12 -- United States Patent no. D1,065,969, issued on March 11.

"Rotary knob with a protective sleeve" was invented by Michael Perwein-Seidl (Vienna).

The patent was filed on Nov. 23, 2021, under Application No. D/816,590.

*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=D1065969&OS=D1065969&RS=D1065969

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