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.)
Van der Graaf Inc
Original Assignee
Van der Graaf Inc
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 Van der Graaf IncfiledCriticalVan der Graaf Inc
Priority to CA230992FpriorityCriticalpatent/CA230992S/en
Application grantedgrantedCritical
Publication of CA230992SpublicationCriticalpatent/CA230992S/en