Tomei Sangyo Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5279674 Method of treating contact lensExpiredJun 05, 92Jan 18, 94[B08B]
D337254 Combined spray bottle and capExpiredApr 02, 91Jul 13, 93[]
5181604 Contact lens holder and treating deviceExpiredSep 09, 91Jan 26, 93[A45C]
5167323 Lens treating device for treating contact lensExpiredAug 05, 91Dec 01, 92[A45C]
5130015 Liquid purifying attachment having pressurizing pistonExpiredFeb 28, 91Jul 14, 92[B01D]
5120438 Liquid purifying device incorporating air pumping means within container lid bodyExpiredApr 17, 91Jun 09, 92[B01D]

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