| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Ruling- apparatus | US1404738D | US1404738A | 1922-01-31 | ||
| 122 | Apparatus for testing the sizing of paper | US42585220 | 1920-11-22 | US1404586A | 1922-01-24 | JOSEPH DENOEL |
| 123 | Ruling apparatus | US32537019 | 1919-09-22 | US1344166A | 1920-06-22 | ALBERT BROADMEYER |
| 124 | Ruling-machine | US31699519 | 1919-08-12 | US1333471A | 1920-03-09 | FRANK DAVIS |
| 125 | Ruling device for printing-presses. | US1914836845 | 1914-05-07 | US1279872A | 1918-09-24 | JENNINGS EMERSON P JR |
| 126 | Pen-clamp for ruling-machines. | US16162617 | 1917-04-12 | US1248256A | 1917-11-27 | BROADMEYER ALBERT |
| 127 | Line-producing pen. | US10675716 | 1916-06-30 | US1225067A | 1917-05-08 | SIMPSON JAMES E |
| 128 | Tripping device for ruling-machines. | US1913769192 | 1913-05-22 | US1220352A | 1917-03-27 | LINDBLADH HARMON E |
| 129 | Ruling-machine. | US1907370780 | 1907-04-29 | US1010839A | 1911-12-05 | WRIGHT CHARLES A |
| 130 | Ruling-machine. | US1909497189 | 1909-05-20 | US985360A | 1911-02-28 | MACADAMS GEORGE F |
| 131 | Guide for ruling-machines. | US1908436353 | 1908-06-03 | US984281A | 1911-02-14 | MAGILL RICHARD A |
| 132 | Paper-ruling machine. | US1905255525 | 1905-04-14 | US822404A | 1906-06-05 | TAYLOR CHARLES F |
| 133 | Ruling-machine. | US1905271476 | 1905-07-27 | US811331A | 1906-01-30 | RUDOLPH FRANK E |
| 134 | Ruling-machine. | US1904202760 | 1904-04-12 | US804547A | 1905-11-14 | PECKHAM EDWIN F; HYDE WILLIAM J |
| 135 | Ruling-machine. | US1904196689 | 1904-03-05 | US774718A | 1904-11-08 | CROZIER HARRY C |
| 136 | Ruling device | US752556D | US752556A | 1904-02-16 | ||
| 137 | Ruling-machine. | US1902116390 | 1902-07-21 | US714576A | 1902-11-25 | GRABER ELLIS |
| 138 | Ruling-machine. | US1901073997 | 1901-08-31 | US700271A | 1902-05-20 | WHITTEN ARTHUR M |
| 139 | Machine for ruling photographic screens. | US1898041496 | 1898-05-07 | US679070A | 1901-07-23 | FLORA ELLSWORTH E |
| 140 | Adjustable-ring ruling-spindle. | US1900022538 | 1900-07-05 | US672528A | 1901-04-23 | HUNTER DAVID E |
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