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
CA899147A
Inventor
S. Dienst Carl
M. Attebery Jerry
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.)
EMERY C SWANSON
Original Assignee
EMERY C SWANSON
Publication date
Application grantedgrantedCritical
Publication of CA899147ApublicationCriticalpatent/CA899147A/en