The structural features depicted by broken lines in
The structural features depicted by broken lines in
Number | Date | Country | Kind |
---|---|---|---|
002289306 | Aug 2013 | EM | regional |
Number | Name | Date | Kind |
---|---|---|---|
D108274 | Wolsfield | Feb 1938 | S |
D134188 | Green | Oct 1942 | S |
2375294 | Engel et al. | May 1945 | A |
2737011 | Wittner | Mar 1956 | A |
D192641 | Harkins | Apr 1962 | S |
3386327 | Franz | Jun 1968 | A |
D216036 | Levin | Nov 1969 | S |
3486323 | Franz | Dec 1969 | A |
3662538 | Wittner | May 1972 | A |
3724203 | Wittner | Apr 1973 | A |
3817027 | Wittner | Jun 1974 | A |
D249936 | Ishida | Oct 1978 | S |
D253399 | Harle | Nov 1979 | S |
4237549 | Harle | Dec 1980 | A |
4759253 | Harle et al. | Jul 1988 | A |
5586088 | Vochezer | Dec 1996 | A |
Entry |
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Wittner GmbH & Co. KG product catalog, 50 pages, (see metronomes on pp. 3-23 available before priority date), undated. |