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
CA594703A
Inventor
Ross Alexander
C. Wintemberg Adelbert
R. Gilchrist Thomas
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.)
Alco Products Inc
Original Assignee
Adelbert C Wintemberg
Thomas R Gilchrist
Alco Products Inc
Publication date
Application grantedgrantedCritical
Publication of CA594703ApublicationCriticalpatent/CA594703A/en