ALEXANDRIA, Va., July 16 -- United States Patent no. D1,084,043, issued on July 15, was assigned to Andritz AB (Iggesund, Sweden).
"Wood chipper knife" was invented by Mats Engnell (Iggesund, Sweden) and Mikael Linde (Iggesund, Sweden).
The patent was filed on Jan. 12, 2021, under Application No. D/765,868.
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