Inventor · Forest Lake, MN, US

Nelson D. Sewall

12Patents
8h-index
14Co-inventors
69Inventor score

Filing activity: Sep 29, 1997 → Feb 5, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6129540A Production tool for an abrasive article and a method of making same Emerging Cross-Sectional Technologies 206 Expired
US6076248A Method of making a master tool Emerging Cross-Sectional Technologies 72 Expired
US7140812B2 Diamond tool with a multi-tipped diamond Emerging Cross-Sectional Technologies 64 Expired
US6935756B2 Retroreflective articles having moire-like pattern Physics 36 Expired
US7174619B2 Methods of making microstructured lamina and apparatus Emerging Cross-Sectional Technologies 32 Expired
US6843571B2 Methods of making a master and replicas thereof Emerging Cross-Sectional Technologies 25 Expired
US7510462B2 Multi-diamond cutting tool assembly for creating microreplication tools Emerging Cross-Sectional Technologies 12 Active
US9703023B2 Microtiled prismatic cube corner articles Physics 8 Active
US10502875B2 Microtiled prismatic cube corner articles Physics 3 Active
US7401396B2 Methods of making microstructured lamina and apparatus Emerging Cross-Sectional Technologies 3 Active
US11806795B2 Security articles comprising groups of microstructures made by end milling Performing Operations; Transporting 0 Active
US11253933B2 Non-orthogonal cube corner elements and arrays thereof made by end milling Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.