首页 / 专利分类库 / 教育;密码术;显示;广告;印鉴 / 铁路用或类似用途的时间表或计费表;长期使用的日历 / 铁路用或类似用途的时间表或计费表;其辅助指示或读出装置
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 Pivotal display panel installation US3514883D 1968-08-12 US3514883A 1970-06-02 ALBRIGHT ALTO O
82 Semi-graphic panel US3491459D 1967-03-03 US3491459A 1970-01-27 BOWDEN CHARLES M
83 Visual scheduling means US3478719D 1967-04-13 US3478719A 1969-11-18 SADOFF BERNARD J JR
84 Graphical chart display devices and system US57174866 1966-08-11 US3403458A 1968-10-01 STANLEY MENDELL
85 Adjustable graph US53625266 1966-01-12 US3382590A 1968-05-14 MITCHELL ROBERT M
86 Critical path and project evolution review planning device US48244065 1965-08-25 US3380177A 1968-04-30 WAGNER HEINZ R
87 Musical score, and means for reading this score, particularly designed for teaching a musical instrument US38928964 1964-08-13 US3369439A 1968-02-20 ERNEST BURDET
88 Inventory indicating device US62612367 1967-03-27 US3368295A 1968-02-13 BURNS JOHN A; RAUSCHENBERG CLARENCE H
89 Card holder for use as a scheduler US43720365 1965-03-04 US3299550A 1967-01-24 YOSHITO MIYAMOTO
90 Data displaying device US24679762 1962-12-24 US3254432A 1966-06-07 WASSELL GEORGE W
91 Schedule board US1229960 1960-03-02 US3069790A 1962-12-25 OSWALD RICHARD G
92 Circular chart assembly US74509958 1958-06-27 US3021614A 1962-02-20 RUBIN ABRAHAM M
93 Peg charts US46850954 1954-11-12 US2902776A 1959-09-08 MATTHIAS BUTLER ERNEST
94 Parliamentary procedure guide board US58243156 1956-05-03 US2865113A 1958-12-23 KING VALENTINE J
95 Room signal for visibly indicating information US43574054 1954-06-10 US2798320A 1957-07-09 MONTALTO JAMES J
96 Control panel US14257150 1950-02-06 US2722070A 1955-11-01 THOMPSON LESTER R
97 Call board US33853653 1953-02-24 US2677347A 1954-05-04 BUMP ZENAS A
98 Visual control board US3394248 1948-06-19 US2649790A 1953-08-25 JOHNSON CLAUDE W
99 Inventory aging display device US10818449 1949-08-02 US2640457A 1953-06-02 SCORDO CARMINE R; WASSELL GEORGE W; LLOYD WASSELL FRANK
100 Apparatus for displaying variable information US4894848 1948-09-13 US2622346A 1952-12-23 EUGENE GUICHARD RAYMOND ARTHUR
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