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
CA613210A
Inventor
Bernard Woodward, Jr.
E. Thomson Winslow
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.)
F B PEASE CO
Original Assignee
F B PEASE CO
Publication date
Application grantedgrantedCritical
Publication of CA613210ApublicationCriticalpatent/CA613210A/en