A gun that fires a missile, powered by gas "discharged by the operator of the toy."
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| Number | Title | Issue Date |
| 4330177 | Curtain for shrouding welding operations A curtain for surrounding welding and cutting operations, especially electric arc welding and electric arc cutting operations to protect the eyes of otherwise unprotected observers such as supervisors, adjacent workers, and visitors to the welding operati... | 05/18/1982 |