@patent{sitti2017methods, title = {Methods, apparatuses, and systems for micromanipulation with adhesive fibrillar structures}, author = {Sitti, M. and Meng{\"u}{\c{c}}, Y.}, howpublished = {US Patent 9,731,422}, year = {2017}, doi = {}, url = {https://www.google.com/patents/US9731422} }