Dale L. Clifft

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Tarzana, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Power assisting device for a manually operable vehicle
- Patent number 4,413,692
- Issue date Nov 8, 1983
- Dale L. Clifft
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Power assisting device for a manually operating vehicle
- Patent number 4,346,772
- Issue date Aug 31, 1982
- Dale L. Clifft
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS