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Dr Johannes Heidenhain GmbH

Dr Johanne

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4225931A	Interpolation apparatus for digital electronic position mea…	Expired / Lapsed	1978-06-15	1980-09-30	11	Details
US4120093A	Planar measuring instrument	Expired / Lapsed	1976-10-21	1978-10-17	35	Details
US4084249A	Electronic counting system with keyboard input	Expired / Lapsed	1976-11-26	1978-04-11	10	Details
US3638186A	Arrangement for error determination	Expired / Lapsed	1969-09-26	1972-01-25	11	Details