US Patent Issued to Dutton Stormwater Maintenance on Sept. 29 for "Grate lifter" (New Zealander Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,149,602, issued on Sept. 29, was assigned to Dutton Stormwater Maintenance Ltd. (Auckland, New Zealand).

"Grate lifter" was invented by Tracy Hill (Auckland, New Zealand) and Alan Mitchell (Auckland, New Zealand).

The patent was filed on June 5, 2025, under Application No. D/006,945.

*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=D1149602&OS=D1149602&RS=D1149602

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