Patent assignee · CA · COMPANY

Parrish & Heimbecker, Limited

2Patents
1Active
2Granted
32Portfolio score

Filing activity: May 8, 1995 → Mar 24, 2004 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5703226A Method for acylation of starch Chemistry; Metallurgy 8 Expired
US7536947B2 Filling apparatus and methods for using same Human Necessities 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.