Digital Pitch Correction System Patent Print
Patent No. US5973252 · 1999
Invented by Harold A. Hildebrand

Vintage 1999 patent drawing of the digital pitch correction system by Harold A. Hildebrand. Museum-quality archival giclée print.
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About This Print
Vintage 1999 patent drawing of the digital pitch correction system by Harold A. Hildebrand. Museum-quality archival giclée print.
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