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United States Utility Patents
4,038,960 - 4,038,969

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NumberTitle
4,038,960 Arrow holder
4,038,961 Pneumatic rifle and hand gun
4,038,962 Automatic power controller for a wire saw
4,038,963 Heating system using outside air
4,038,964 Parabolic solar concentrator employing flat plate collector
4,038,965 Evacuated solar heat collector
4,038,966 Solar heat collector tank
4,038,967 Solar heating system and components thereof
4,038,968 Air screen for food warming table
4,038,969 Solar energy collector



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