序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
181 Typewriting machine US32132928 1928-11-23 US1797658A 1931-03-24 HART HENRY J
182 Typewriting machine US1651740D US1651740A 1927-12-06
183 Type action and case-selecting mechanism for typewriting machines US75323824 1924-12-01 US1610911A 1926-12-14 WESLEY WILSON
184 Type-basket shift for typewriters US62008823 1923-02-19 US1539171A 1925-05-26 HALCOLM ELLIS
185 Typewriter US27073719 1919-01-11 US1493551A 1924-05-13 PARKER KIDDER WELLINGTON
186 Typewriting machine US41094720 1920-09-17 US1461731A 1923-07-17 HARMON EDWIN L
187 Typewriting machine US41096020 1920-09-17 US1461718A 1923-07-17 ARMSTRONG FRANK H
188 Segment carrier for typewriting machines US34832619 1919-12-30 US1461717A 1923-07-17 ARMSTRONG FRANK H
189 harmon US1387979D US1387979A 1921-08-16
190 Type writing machine US1193774D US1193774A 1916-08-08
191 Shifting and buffer mechanism for type-writing machines. US1907377752 1907-06-07 US1163133A 1915-12-07 FOX WILLIAM R
192 Type-writing machine. US1914816757 1914-02-05 US1161542A 1915-11-23 SMITH ARTHUR W
193 Type-writing machine. US1914841697 1914-05-29 US1159116A 1915-11-02 SMITH STEPHEN T
194 Shift-key attachment for type-writing machines. US1913781958 1913-07-30 US1118664A 1914-11-24 LOPEZ ARTHUR
195 Type-writing machine. US1913759879 1913-04-09 US1098092A 1914-05-26 BROWN ALEXANDER T
196 Type-writing machine. US1904205203 1904-04-27 US1018968A 1912-02-27 GABRIELSON CARL
197 Type-writing machine. US983490D US983490A 1911-02-07 GABRIELSON CARL
198 Type-writing machine. US1904206107 1904-05-03 US863952A 1907-08-20 STILLMAN GEORGE F; STILLMAN MABEL D
199 Type-writing machine. US1904197700 1904-03-11 US799034A 1905-09-12 CURTIS HENRY E
200 Ring-shifting device for type-writing machines. US1904193782 1904-02-16 US767945A 1904-08-16 KITZMILLER GEORGE M
QQ群二维码
意见反馈