Anna M. Mangin received a patent for her pastry fork invention. This patent marked a significant achievement for Mangin, recognizing her innovative design for a kitchen tool that simplified the process of making pastries and other food preparation tasks. The pastry fork had multiple uses, including beating eggs, thickening food, mashing potatoes, and kneading dough, making it a versatile tool. The patent solidified Mangin's legacy as an inventor and contributed to the advancement of household culinary tools.