Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA757513A
Inventor
Zelinka Johann
G. Smolka Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wiener Metallwarenfabrik Smolka and Co
Original Assignee
Wiener Metallwarenfabrik Smolka and Co
Publication date
Application grantedgrantedCritical
Publication of CA757513ApublicationCriticalpatent/CA757513A/en