said substantially flat extra element being perforated

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Patents Grantslast 30 patents

Information Patent Grant
Container for liquids and bulk materials
- Patent number 5,088,642
- Issue date Feb 18, 1992
- PKL Verpackungssysteme GmbH
- Jurgen Farber
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gas separating and venting filter
- Patent number 4,515,606
- Issue date May 7, 1985
- Brunswick Corporation
- Dirk M. de Winter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Intravenous injection apparatus and needle adapter with filter and...
- Patent number 3,970,490
- Issue date Jul 20, 1976
- Burron Medical Products, Inc.
- Kenneth Raines
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3915775
- Patent number 3,915,775
- Issue date Oct 28, 1975
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3806386
- Patent number 3,806,386
- Issue date Apr 23, 1974
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3722697
- Patent number 3,722,697
- Issue date Mar 27, 1973
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL