Melvin P. Spitz
17Patents
7h-index
1Co-inventors
52Inventor score
Filing activity: Mar 10, 1975 → Dec 13, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3984884A | Bed frame having releasably interlocked side rails and crossbars | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4019211A | Bedframe with unitized adjustable crossbar | Human Necessities | 15 | Expired |
| USD283301S | Cam type fastener | General | 14 | Expired |
| US3952345A | Bed frame having releasably interlocked side rails and crossbars | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD277818S | Drawer-supporting rail for attachment to bed side rails | General | 12 | Expired |
| USD278011S | Drawer-supporting adjustable rail for attachment to bed side rails | General | 10 | Expired |
| US4070718A | Box spring retainer | Human Necessities | 8 | Expired |
| US4398311A | Folding sofa-bed mechanism | Human Necessities | 6 | Expired |
| US4901382A | Mounting apparatus for wall beds | Human Necessities | 6 | Expired |
| US4504987A | Mattress support mechanism for folding sofa-bed | Human Necessities | 5 | Expired |
| US3961383A | Bed frame having releasably interlocked side rails and crossbars | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3961384A | Bed frame having releasably interlocked side rails and crossbars | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4809371A | Wall bed with collapsible table | Human Necessities | 3 | Expired |
| US5084924A | Mounting apparatus for wall beds with safety jamming feature | Human Necessities | 2 | Expired |
| USD256076S | Head rail member for folding bed | General | 2 | Expired |
| US4974271A | Mounting apparatus for wall beds | Human Necessities | 1 | Expired |
| US4437197A | Folding sofa-bed mechanism | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.