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.)
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.)
H NELSON WHITMAN
J HOLLIS PLACEY
Original Assignee
H NELSON WHITMAN
J HOLLIS PLACEY
Publication date
Application grantedgrantedCritical
Publication of CA334003ApublicationCriticalpatent/CA334003A/en