Assignee
CHANG ANDY
TW·4 granted patents·44 citations·filing 1989–1991
Top patents by PatentIndex Score
4 records- 0170US4949616AStepless transmission scroll sawing machine with saw blade fastening and micro-inch adjusting means and the related positioning deviceCHANG ANDY·Filed 1989·Granted Aug 21, 1990·24 cites·3 claims
- 0241US5105704AAdjustable saw blade fastenerCHANG ANDY·Filed 1991·Granted Apr 21, 1992·9 cites·1 claims
- 0336US5022157ATransmission mechanism for scroll sawing machineCHANG ANDY·Filed 1990·Granted Jun 11, 1991·8 cites·1 claims
- 0431US5070752AStructure of driving mechanism for scroll sawing machineCHANG ANDY·Filed 1990·Granted Dec 10, 1991·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →