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Patent applications and USPTO patent grants for Meyer; Helmut J. W..The latest application filed is for "passenger conveyor drive machine".
Patent | Date |
---|---|
Step attachment on the step chain of an escalator Grant 7,222,713 - Hauer , et al. May 29, 2 | 2007-05-29 |
Passenger conveyor drive machine Grant 7,168,547 - Thaler , et al. January 30, 2 | 2007-01-30 |
Passenger conveyor drive machine App 20060144672 - Thaler; Dietmar ;   et al. | 2006-07-06 |
Stepchain link for an escalator App 20060054458 - Meyer; Helmut J W ;   et al. | 2006-03-16 |
Step attachment on the step chain of an escalator App 20040060800 - Hauer, Uwe ;   et al. | 2004-04-01 |
Moving handrail drive Grant 5,307,920 - Meyer , et al. May 3, 1 | 1994-05-03 |
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