Number | Name | Date | Kind |
---|---|---|---|
RE28280 | Aleks | Dec 1974 | |
1453121 | Benner | Nov 1923 | |
1876748 | Rand, Jr. et al. | Sep 1932 | |
1897080 | Soper | Feb 1933 | |
1934397 | Bales et al. | Nov 1933 | |
2689777 | Wolters | Sep 1954 | |
3031248 | Jeeves | Apr 1962 | |
3245744 | Olson | Apr 1966 | |
3252746 | Kafferlin et al. | May 1966 | |
3450453 | Tazaki | Jun 1969 | |
3469875 | Ahlgren | Sep 1969 | |
4320834 | Tamaki | Mar 1982 | |
4553353 | Simpson | Nov 1985 | |
4653820 | Tazaki | Mar 1987 | |
4790579 | Maxwell et al. | Dec 1988 | |
5292191 | Slivon | Mar 1994 | |
5388902 | Huebschen et al. | Feb 1995 | |
5403139 | Slivon et al. | Apr 1995 |
Number | Date | Country |
---|---|---|
511918 | Nov 1992 | EPX |
204469 | TWX | |
214062 | TWX |
Entry |
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Lista International Corporation, Catalog MP-91 -MP Cabinets and Workbench Systems, cover page and pp. 4, 5, and 15. |