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
CA799275A
Inventor
D. Lakins Franklin
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.)
Lipe Rollway Corp
Original Assignee
Franklin D Lakins
Lipe Rollway Corp
Publication date
Application grantedgrantedCritical
Publication of CA799275ApublicationCriticalpatent/CA799275A/en