Mark Identification
TOOLGRAPH
Serial Number
71526231
Filing Date
Jul 4, 1947
Registration Date
Jul 12, 1949
Trademark by
Classification Information
HOB TESTING APPARATUS, INCLUDING RECORD SHEETS USED TO RECORD THE EXACT LOCATION OF EACH TOOTH ON A HOB IN RELATION TO ALL OTHER TEETH AND IN RELATION TO A DESIRED THEORETICAL LEAD HELIX FROM WHICH THE MAGNITUDE OF ANY ERRORS ARE MADE VISUALLY APPARENT
Fancy Goods