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
CA889679A
Inventor
W. Putt Joseph
E. Chamberlain Lamar
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.)
NON-SKID
Original Assignee
NON-SKID
Publication date
Application grantedgrantedCritical
Publication of CA889679ApublicationCriticalpatent/CA889679A/en