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
CA815167A
Inventor
N. Schlein Seymour
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.)
Fanner Manufacturing Co
Original Assignee
Seymour N Schlein
Fanner Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA815167ApublicationCriticalpatent/CA815167A/en