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Patent applications and USPTO patent grants for Hofling; Peter.The latest application filed is for "parallel drive for escalators or moving sidewalks".
Patent | Date |
---|---|
Parallel drive for escalators or moving sidewalks Grant 4,775,044 - Hofling October 4, 1 | 1988-10-04 |
Driving unit for escalators for driving the step band Grant 4,227,605 - Hofling October 14, 1 | 1980-10-14 |
Conveyor, especially autowalks for persons Grant 3,964,596 - Heusler , et al. June 22, 1 | 1976-06-22 |
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