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Patents Grantslast 30 patents

Information Patent Grant
Base isolation apparatus, lifting apparatus, and base isolation unit
- Patent number 11,511,967
- Issue date Nov 29, 2022
- Mitsubishi Electric Corporation
- Tomoya Hattori
- E04 - BUILDING
Information Patent Grant
Elevator seismic performance apparatus
- Patent number 11,214,464
- Issue date Jan 4, 2022
- Otis Elevator Company
- Richard J. Ericson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3783978
- Patent number 3,783,978
- Issue date Jan 8, 1974
- B66 - HOISTING LIFTING HAULING