Inventor · Beaverton, OR, US

H. Erwin Grellman

3Patents
3h-index
3Co-inventors
39Inventor score

Filing activity: Mar 7, 1985 → Aug 12, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4600907A Coplanar microstrap waveguide interconnector and method of interconnection Emerging Cross-Sectional Technologies 56 Expired
US5362043A Rotating clamp assembly Performing Operations; Transporting 8 Expired
US5491504A Thermal transfer printer ink ribbon-changing carousel apparatus and method Performing Operations; Transporting 3 Expired

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