Assignee

PROTEL PACIFIC CORP

TW·2 granted patents·4 citations·filing 1997–1998

Technology mixH04M2 F42D1 G07F1

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2 records

0123US5848153ABlast proof apparatus for the coin return cavity of a public phonePROTEL PACIFIC CORP·Filed 1997·Granted Dec 8, 1998·0 cites·3 claims
0215US6097799APay phone box structurePROTEL PACIFIC CORP·Filed 1998·Granted Aug 1, 2000·4 cites·6 claims

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