Assignee
NIPPON DOOR CHECK MFG CO
3 granted patents·66 citations·filing 1979–1987
Top patents by PatentIndex Score
3 records- 0186US4301623ASemiautomatic sliding door device with tension springNIPPON DOOR CHECK MFG CO·Filed 1979·Granted Nov 24, 1981·58 cites·13 claims
- 0223US4913215ABendable multiple windowNIPPON DOOR CHECK MFG CO·Filed 1987·Granted Apr 3, 1990·4 cites·1 claims
- 0322US4850417ABendable multiple windowNIPPON DOOR CHECK MFG CO·Filed 1987·Granted Jul 25, 1989·4 cites·2 claims
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