Patent search ap:("SWIMQUIP INC") AND inv:"STANWOOD DAVID ARTHUR" Page 1

1.

发明授权
Turbulence dispelling float device and string 失效
Title translation: TULBULENCE DISPELLING FLOAT DEVICE AND STRING

公开(公告)号：US3540063A

公开(公告)日：1970-11-17

申请号：US3540063D

申请日：1969-02-04

Applicant: SWIMQUIP INC

Inventor： STANWOOD DAVID ARTHUR

IPC: E04H4/14 , E04H3/16

CPC classification number: E04H4/143 , E04H4/14

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