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
Priority claimed from US07/034,812external-prioritypatent/US4912874A/en
Application filed by Kamterter Products IncfiledCriticalKamterter Products Inc
Priority claimed from PCT/US1988/001099external-prioritypatent/WO1988007318A1/en
Application grantedgrantedCritical
Publication of ATE89445T1publicationCriticalpatent/ATE89445T1/de