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Class Information
Number: 220/DIG.31
Name: Receptacles > Sonic seal

Patents under this class:

Patent Number Title Of Patent Date Issued
6793095 Blow-molded pressure tank with spin-welded connector Sep. 21, 2004
5256225 Pail closure application method Oct. 26, 1993
4979619 Protective case for collectible sports cards Dec. 25, 1990
4560827 Electric fencer utilizing a sealed plastic housing Dec. 24, 1985
4554034 Bonding capsules Nov. 19, 1985
4545483 Casing for a magnetic tape cassette Oct. 8, 1985
4544075 Hydraulic pressure cylinder with integrated reservoir Oct. 1, 1985
3952868 Cigarette packet of laminated sheeting and method for the production thereof Apr. 27, 1976

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