Patent Analysis of Providing Services Related to Item Delivery via 3D Manufacturing on Demand: US9898776B2 . Poornaprajna International Journal of Basic & Applied Sciences (PIJBAS), [S. l.], v. 3, n. 1, p. 65–106, 2026. DOI: 10.64818/PIJBAS.3107.8478.0020. Disponível em: https://www.poornaprajnapublication.com/index.php/pijbs/article/view/200. Acesso em: 13 jul. 2026.