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.)
E F Houghton & Co A Ssignor Henry Harrison High Of Pennsylvania Us A
Original Assignee
E F Houghton & Co A Ssignor Henry Harrison High Of Pennsylvania Us A
Filing date
Publication date
Application filed by E F Houghton & Co A Ssignor Henry Harrison High Of Pennsylvania Us AfiledCriticalE F Houghton & Co A Ssignor Henry Harrison High Of Pennsylvania Us A
Application grantedgrantedCritical
Publication of AU68937ApublicationCriticalpatent/AU68937A/en
Publication of AU103581B2publicationCriticalpatent/AU103581B2/en