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 US06/882,633external-prioritypatent/US5017030A/en
Application filed by Jay A CrewsfiledCriticalJay A Crews
Application grantedgrantedCritical
Publication of ATE96738T1publicationCriticalpatent/ATE96738T1/de