Inventor · Parma, OH, US

Ryan Helman

2Patents
1h-index
8Co-inventors
27Inventor score

Filing activity: Sep 11, 2002 → Jun 11, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US7059450B2 Automatic lubrication system Mechanical Engineering; Lighting; Heating 16 Expired
USD478604S1 Housing for a vehicle lubrication system General 1 Expired

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