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.)
ALGER ISAAC D
EVERHARD WILLIAM H
Original Assignee
ALGER ISAAC D
EVERHARD WILLIAM H
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ALGER ISAAC D, EVERHARD WILLIAM HfiledCriticalALGER ISAAC D
Application grantedgrantedCritical
Publication of CA107675ApublicationCriticalpatent/CA107675A/fr