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
CA772869A
Inventor
R. Schiller James
Smeitink Albertus
M. Pohl Eric
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.)
Speedring Corp
Original Assignee
Speedring Corp
Publication date
Application grantedgrantedCritical
Publication of CA772869ApublicationCriticalpatent/CA772869A/en