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| Number | Title | Issue Date |
| 7036251 | Counterweight mounting structure for construction machine A counterweight mounting structure for construction machine to which a counterweight is connected through a gap to an exterior constituting an upper rotating body is constituted such that a recessed groove is provided on an end on a connection side of the counterwei... | 05/02/2006 |
| 4251178 | Business machine cart with trunk loading attachment A cart for use in transporting and demonstrating business machines and the like, the cart comprising a wheel section and a handle section each having spaced apart pairs of track forming frame members along which a carriage for mounting a business machine ... | 02/17/1981 |
