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Hydrospan Trademarks
HYDROSPAN
Pharmaceutical preparations and substances; pharmaceutical preparations for the prevention and treatment of allergies; pharmaceutical preparations for the prevention and treatment of autoimmune conditions, diseases, and disorders; pharmaceutical preparations for the prevention and treatment of blood conditions, diseases and disorders; pharmaceutical preparations for the prevention and treatment of cardiovascular diseases and disorders; pharmaceutical preparations for the prevention and treatm...
Pending
·
December 24, 2025
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79444223
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HYDROSPAN
Chemical Powder Used to Retain Water, for House Plants, Gardens and Field Crops
Cancelled
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March 24, 1980
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73255222
·
HYDROSPAN
CONCRETE DECK EXTRUDING MACHINE, APPARATUS AND EQUIPMENT-NAMELY, CONCRETE SAWS, FORMS, PRESTRESSING JACKS, MIXING AND FEEDING EQUIPMENT
Expired
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July 25, 1966
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72250965
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