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Patent applications and USPTO patent grants for Erhardt; Manfred.The latest application filed is for "gearlike dressing tool".
Patent | Date |
---|---|
Gearlike dressing tool Grant 4,799,473 - Erhardt , et al. * January 24, 1 | 1989-01-24 |
Method for manufacturing and working of gears Grant 4,776,137 - Loos , et al. October 11, 1 | 1988-10-11 |
Method for the precision working of the tooth system of bevel gears Grant 4,694,617 - Loos , et al. September 22, 1 | 1987-09-22 |
Method for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a tool Grant 4,649,671 - Erhardt , et al. March 17, 1 | 1987-03-17 |
Method and apparatus for exchanging tools in hobbing machines Grant 4,287,659 - Erhardt , et al. September 8, 1 | 1981-09-08 |
Milling Tool For Working Of Grooves Or Slots Grant 3,848,512 - Erhardt November 19, 1 | 1974-11-19 |
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