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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4765382 | Reinforced resilient wheel A reinforced resilient wheel having a rim (4), a hub (12), a shock absorbing air space (18), formed between a channel (10), and an elastomeric member (16) with flange means (26) clamping the elastomeric member to the rim, and reinforcing means (60, 62) fo... | 08/23/1988 |
| 4549590 | Resilient wheels A resilient wheel having tire rim, a central hub portion, a shock absorbing member between the rim and the hub comprising an annular pneumatically sealed, hollow, substantially toroidal member, at least a portion of which is flexible, both the rim and the... | 10/29/1985 |