CH590672A5CH945475ACH945475ACH590672A5CH 590672 A5CH590672 A5CH 590672A5CH 945475 ACH945475 ACH 945475ACH 945475 ACH945475 ACH 945475ACH 590672 A5CH590672 A5CH 590672A5
Authority
CH
Switzerland
Application number
CH945475A
Original Assignee
Penney Donald Armstrong
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 US494743Aexternal-prioritypatent/US3923317A/en
Application filed by Penney Donald ArmstrongfiledCriticalPenney Donald Armstrong
Publication of CH590672A5publicationCriticalpatent/CH590672A5/xx