“BERKMANN MFG
CO.”. 2 3/4″ high x 1 7/8″ diameter. Brass body. Brass shackle. “PAT. 9-17-07 4-27-09” is stamped on the obverse of the shackle.Patent #’s 866567 919415 992400.
CO.”. 2 3/4″ high x 1 7/8″ diameter. Brass body. Brass shackle. “PAT. 9-17-07 4-27-09” is stamped on the obverse of the shackle.Patent #’s 866567 919415 992400.