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Method of freeze drying
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Patent number 11,090,711
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Issue date Aug 17, 2021
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META-DRY LLC
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Michael Golfetto
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B22 - CASTING POWDER METALLURGY
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Method of making foam material
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Patent number 5,204,040
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Issue date Apr 20, 1993
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Kun-Huang Chang
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Shaped elements
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Patent number 5,055,339
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Issue date Oct 8, 1991
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Schaumstoffwerk Greiner Gesellschaft m.b.H.
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Bernhard Eder
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Variable porosity irrigation pipe
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Patent number 4,615,642
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Issue date Oct 7, 1986
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Dasurat Enterprises PTE Ltd.
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James W. Mason
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Insulating material
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Patent number 4,539,262
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Issue date Sep 3, 1985
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W. R. Grace Limited
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John Hurst
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Apparatus for making foam carpet pad
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Patent number 4,447,382
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Issue date May 8, 1984
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MPI, Inc.
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Robert C. Spurlock
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Adaptive support system
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Patent number 4,388,358
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Issue date Jun 14, 1983
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University of Alabama
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Thomas A. Davis
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Flexible foam bonding process
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Patent number 4,243,625
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Issue date Jan 6, 1981
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Mobay Chemical Corporation
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Russell W. Burge
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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