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
CA764006A
Inventor
G. Kayser Henry
Emmett J. Woodward, 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.)
INDUSTRIAL ASPHALT
Original Assignee
INDUSTRIAL ASPHALT
Publication date
Application grantedgrantedCritical
Publication of CA764006ApublicationCriticalpatent/CA764006A/en