Koella Mopmaster (1988) Size:12" x 16" originally patented by Edward Everett

originally patented by Edward Everett Horner in 1935

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Koella Mopmaster (1988) Size:12" x 16" originally patented by Edward EverettOur watercolor Koella Mopmaster patent print, originally patented by Ernest Koella in 1988, comes framed or unframed, making it the perfect gift for the machine lover in your life. Its vintage aesthetic makes it a standout piece in any living room, office, or machine lover's space. THE PERFECT GIFT Struggling to find a truly unique tennis gift? Our Koella Mopmaster patent print captures Ernest Koella's original 1988 invention and reimagines it with