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Patent applications and USPTO patent grants for KUNSMAN, DONALD R..The latest application filed is for "pipe branch fitting".
Patent | Date |
---|---|
Pipe Branch Fitting App 20020000719 - KUNSMAN, DONALD R. | 2002-01-03 |
Segmented flange coupler for grooved pipe Grant 6,264,251 - Kunsman , et al. July 24, 2 | 2001-07-24 |
Abrasive grip pipe coupling Grant 4,886,304 - Kunsman December 12, 1 | 1989-12-12 |
Machine for roll grooving of pipe Grant 3,995,466 - Kunsman December 7, 1 | 1976-12-07 |
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