首页 / 国际专利分类库 / 物理 / 乐器;声学 / 发声器械 / 拨浪鼓或类似的产生声音的器械,{例如门环}
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 Door knocker US45723742 1942-09-03 US2348129A 1944-05-02 GULDBRAND GULDBRANDSEN
142 Sounding toy US10317036 1936-09-29 US2093055A 1937-09-14 ANTONIO PELLIZZARI
143 Chime-striking hammer. US4287415 1915-07-31 US1205202A 1916-11-21 HERSCHEDE WALTER J
144 Signal-bell. US1906338767 1906-10-13 US869885A 1907-11-05 DREW GEORGE F
145 Bell. US1901080012 1901-10-25 US731551A 1903-06-23 DUFF JOHN T
146 Bell. US1902097702 1902-03-11 US704289A 1902-07-08 AUGIR WAYLAND B
147 Wilson e US617184D US617184A 1899-01-03
148 Archibald bannatyne US600705D US600705A 1898-03-15
149 Push-button US574247D US574247A 1896-12-29
150 Mechanical call-bell and annunciator US423345D US423345A 1890-03-11
151 Combined roller and bell for fishing-boats US375882D US375882A 1888-01-03
152 Improvement in bell-pulls US195188D US195188A 1877-09-11
153 Improvement in bell-pull attachments US176910D US176910A 1876-05-02
154 Improvement in bell-pulls US164874D US164874A 1875-06-22
155 Improvement in bell-pulls US164126D US164126A 1875-06-08
156 Improvement in bell-pulls US142057D US142057A 1873-08-19
157 Improved bell-lever box US91019D US91019A 1869-06-08
158 Improvement in bell-pulls US84990D US84990A 1868-12-15
159 Sylvania US75118D US75118A 1868-03-03
160 Henry homer US49757D US49757A 1865-09-05
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