238000006011 modification reaction Methods 0.000 description 2. 229910052751 metal Inorganic materials 0.000 description 8. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by MICHIGAN STATE BOARD OF AGRICU filed Critical MICHIGAN STATE BOARD OF AGRICU Priority to US237832A priority Critical patent/US2197545A/en Application granted granted Critical Publication of US2197545A publication Critical patent/US2197545A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee MICHIGAN STATE BOARD OF AGRICU 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 US237832A Inventor Charles W Bachman Ward A Davenport Current Assignee (The listed assignees may be inaccurate. Google Patents US2197545A - Football dummyĭownload PDF Info Publication number US2197545A US2197545A US237832A US23783238A US2197545A US 2197545 A US2197545 A US 2197545A US 237832 A US237832 A US 237832A US 23783238 A US23783238 A US 23783238A US 2197545 A US2197545 A US 2197545A Authority US United States Prior art keywords dummy core secured plate padding Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
0 kommentar(er)
