Inventor · Houston, TX, US

Gregory A. Armstrong

7Patents
6h-index
6Co-inventors
52Inventor score

Filing activity: Nov 2, 1998 → Jun 14, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
USD422868S Pull style machining vise having a pivotal jaw assembly General 18 Expired
USD421208S Pivotal jaw assembly General 18 Expired
USD435772S Pull style machining vise having a pivotal jaw assembly General 17 Expired
USD436012S Machining vise having a pivotal jaw assembly General 17 Expired
USD437200S Pivotal jaw assembly General 15 Expired
USD420880S Machining vise having a pivotal jaw assembly General 14 Expired
US10472926B2 Pressurized seat check valve Mechanical Engineering; Lighting; Heating 0 Active

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