US1915247A - Work holding device for grinding machines ...
US1915247A US482417A US48241730A US1915247A US 1915247 A US1915247 A US 1915247A US 482417 A US482417 A US 482417A US 48241730 A US48241730 A US 48241730A US 1915247 A US1915247 A US 1915247A Authority US United States Prior art keywords holder tool bracket work slide Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.