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公开(公告)号:US1133388A
公开(公告)日:1915-03-30
申请号:US1133388D
Applicant: MERRILL FRANK E
Inventor: MERRILL FRANK E
CPC classification number: G09F3/20 , B42F1/04 , G09F3/201 , Y10T24/203 , Y10T24/44641
公开(公告)号:US1133388A
公开(公告)日:1915-03-30
申请号:US1133388D
Applicant: MERRILL FRANK E
Inventor: MERRILL FRANK E
CPC classification number: G09F3/20 , B42F1/04 , G09F3/201 , Y10T24/203 , Y10T24/44641