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
CA669130A
Inventor
M. Palombo Albert
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.)
AMERICAN METASEAL OF MASSACHUSETTS
Original Assignee
AMERICAN METASEAL OF MASSACHUSETTS
Publication date
Application grantedgrantedCritical
Publication of CA669130ApublicationCriticalpatent/CA669130A/en