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 | Whitening knife for treating leather | US30768428 | 1928-09-22 | US1766159A | 1930-06-24 | HEINRICH WILL |
2 | Portable circulation and heating apparatus for tanneries | US46684830 | 1930-07-09 | US1841068A | 1932-01-12 | JOSEF STARLING |
3 | Device for entraining materials in a flow of liquid | US9098761 | 1961-02-23 | US3095243A | 1963-06-25 | JOSEPH ROSSI ANGELO |
4 | Hide separator and method of making same | US55190231 | 1931-07-20 | US1940480A | 1933-12-19 | ALLARD ROBERT M |
5 | Flesh-scraping implement | US43522330 | 1930-03-12 | US1794275A | 1931-02-24 | RUSSELL BOSMAN |
6 | Leather-working tool | US24136027 | 1927-12-20 | US1697971A | 1929-01-08 | DORVAL JOSEPH H |
7 | Hide-cleaning tool | US34908020 | 1920-01-02 | US1383873A | 1921-07-05 | STINE ROBERT J |