3/7/2024 0 Comments Higgins india ink ingredientsOriginal Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US44908A Inventor Frank N Steigleder Current Assignee (The listed assignees may be inaccurate. Google Patents Method and composition for removing drawing inkÄownload PDF Info Publication number US1672790A US1672790A US44908A US4490825A US1672790A US 1672790 A US1672790 A US 1672790A US 44908 A US44908 A US 44908A US 4490825 A US4490825 A US 4490825A US 1672790 A US1672790 A US 1672790A Authority US United States Prior art keywords ink solution chlorine water paper Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US1672790A - Method and composition for removing drawing ink US1672790A - Method and composition for removing drawing ink
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