Lundahl Research, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5309702 Cutting toothExpiredAug 20, 92May 10, 94[A01D]
5305586 Crop processorExpiredAug 20, 92Apr 26, 94[A01D]
4896486 Crop harvester having height controlExpiredJun 07, 88Jan 30, 90[A01D]

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