V-Tech Industries Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4734013 Rotary pressure intensifierExpiredMar 11, 87Mar 29, 88[F04B, F01B]
4495769 Booster power steeringExpiredAug 13, 81Jan 29, 85[F16D]

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