ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,859, issued on Aug. 4, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Hydraulic cylinder buffer back-up ring" was invented by Ananda Sudhakar Ponnusamy (Naperville, Ill.) and Rameshkrishnan Lakshmi Narayanan (Chennai, India).
The patent was filed on July 22, 2024, under Application No. D/953,354.
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