序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
1 | Tabulating apparatus for directly locking an escapement gear | US3428159D | 1966-07-11 | US3428159A | 1969-02-18 | KLINGNER WOLFGANG; KITTEL ARTHUR |
2 | Carriage positioning mechanism for typewriters or like machines | US63468457 | 1957-01-17 | US2984328A | 1961-05-16 | LONG LAMBERT HARRY |
3 | Carriage return and tabulating mechanism | US50308355 | 1955-04-22 | US2965211A | 1960-12-20 | JOHN TOGGENBURGER |
4 | Typewriting machine | US20706238 | 1938-05-10 | US2219371A | 1940-10-29 | PITMAN HENRY L |