Kumar, ManishManishKumarShekhar, ShashankShashankShekharMathur, RishabhRishabhMathur2025-08-292025-08-292018-07-17https://d8.irins.org/handle/IITG2025/20464en-USA system for 3D printing of a concrete structurePatents Granted518855201821026589123456789/405