| 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 | Machine for coating sheets with bronze powder and the like | US29138528 | 1928-07-09 | US1772318A | 1930-08-05 | ROBERT LONTKE |
| 82 | Bronzing machine | US8782626 | 1926-02-12 | US1718419A | 1929-06-25 | WILLIAM HOLLINGSWORTH |
| 83 | Sheet-powdering machine | US6928325 | 1925-11-16 | US1710059A | 1929-04-23 | SAMUEL LIPSIUS |
| 84 | Process and apparatus for marking articles | US69819224 | 1924-03-10 | US1619487A | 1927-03-01 | JOHN ROCHE |
| 85 | Machine for applying powder to printed matter | US71161924 | 1924-05-07 | US1538637A | 1925-05-19 | JESSEN HANS H; MARCEAU ECTOR F |
| 86 | Bronzing machine | US55318922 | 1922-04-15 | US1469341A | 1923-10-02 | SPENCER RICHARD J |
| 87 | Bronzing-machine | US30278819 | 1919-06-09 | US1354018A | 1920-09-28 | BROCK ADDISON W |
| 88 | Machine for embossing without dies | US1914812964 | 1914-01-19 | US1328407A | 1920-01-20 | VIRKUS FREDERICK A |
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