@patent{sitti2020microfibers,
  title = {Microfibers with mushroom-shaped tips for optimal adhesion},
  year = {2020},
  note = {US Patent 10,689,549},
  author = {Sitti, Metin and Aksak, Burak},
  url = {https://www.freepatentsonline.com/y2020/0299551.html}
}