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
CA808948A
Inventor
F. Pierson Charles
W. Benjamin John
Edward T. Holland, Jr.
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.)
FARMHAND
Original Assignee
FARMHAND
Publication date
Application grantedgrantedCritical
Publication of CA808948ApublicationCriticalpatent/CA808948A/en