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.)
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.)
STONE INDUSTRIAL DIVISION J L CLARK Manufacturing Co Inc
Original Assignee
STONE INDUSTRIAL DIVISION J L CLARK Manufacturing Co Inc
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Filing date
Publication date
Application filed by STONE INDUSTRIAL DIVISION J L CLARK Manufacturing Co IncfiledCriticalSTONE INDUSTRIAL DIVISION J L CLARK Manufacturing Co Inc
Priority to CA201,487ApriorityCriticalpatent/CA1031838A/en
Application grantedgrantedCritical
Publication of CA1031838ApublicationCriticalpatent/CA1031838A/en