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United States Utility Patents
4,177,790 - 4,177,799

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NumberTitle
4,177,790 Pocket camp stove
4,177,791 Wood-burning stoves
4,177,792 Drilling rig heater
4,177,793 Freestanding fireplace stove with heated air circulation
4,177,794 Evacuated-tube solar collector
4,177,795 Triggering device responsive to energy flow and controlled solar heating system incorporating the device
4,177,796 Magnetic thermal vibrational device for the treatment of arthritis and the like
4,177,797 Rotary biopsy device and method of using same
4,177,798 Apparatus for measuring the mechanical characteristics of a material such as living skin
4,177,799 Dental pulp tester



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