Hill, Van Santen, Steadman & Simpson
Dial lock assembly
 A dial lock assembly suitable for use on a slide fastener comprises a male part and a female part interengageable therewith, the male part having a plunger adapted to move into and out of the female part, a lock tumbler pivotably engageable with the plunger and, a rotary means operatively associated with the lock tumbler and frictionally driven by a dial carrying indicia thereon such as numerical figures, the combination of which being selected to lock and unlock the assembly. 
Yoshida Kogyo K.K.
E Y A Y
E05B Y10T A44B Y10T
inventional additional inventional additional
Yoshiyuki Kiyoyasu Hiroshi
Horita Wake Mizuno