Inventor · Burnsville, MN, US

Gerald M. Brostrom

15Patents
10h-index
11Co-inventors
65Inventor score

Filing activity: May 17, 1988 → Apr 3, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5394568A Molded head harness Human Necessities 205 Expired
US5481763A Molded head harness Human Necessities 200 Expired
US6457473B1 Drop-down face mask assembly Human Necessities 192 Expired
US4886058A Filter element Emerging Cross-Sectional Technologies 135 Expired
US6062221A Drop-down face mask assembly Human Necessities 127 Expired
USD378610S Full face respirator General 123 Expired
US6732733B1 Half-mask respirator with head harness assembly Human Necessities 84 Expired
USRE35062E Filter element General 56 Expired
US6016805A Face seal for respirator Human Necessities 52 Expired
USD426298S Full-face respirator lens General 15 Expired
USD388872S Full face respirator lens General 10 Expired
USD379160S Buckle General 10 Expired
USD409744S Full face respirator lens General 5 Expired
USD421299S Carriage for drop-down mask assembly General 5 Expired
USD421801S Carriage for drop-down mask assembly General 3 Expired

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