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| All Patents in class 312/209 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,547,505 | Dec. 15, 1970 | D.E. Ott, A.W. Carlson | Biological service center | ||
| 3,584,927 | Jun. 15, 1971 | D.E. Ott, A.W. Carlson | Biology study enclosure | ||
| 3,708,709 | Jan. 02, 1973 | R.B. Morrison, L.C. Wyman | Medicine tray for cabinet drawer | ||
| 3,834,778 | Sep. 10, 1974 | R.B. Morrison, L.C. Wyman | Medicine tray for cabinet drawer | ||
| 3,856,372 | Dec. 24, 1974 | L. Blodee, A. Carlson | Laboratory working sink station | ||