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Safety valve locking device
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Patent number 11,618,627
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Issue date Apr 4, 2023
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Pierson Industries, Inc.
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Theodore J. Pierson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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-
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Universally adaptable childproof cap
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Patent number 5,316,162
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Issue date May 31, 1994
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Pierson Industries, Inc.
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Theodore J. Pierson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Cosmetic organizer
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Patent number 5,301,808
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Issue date Apr 12, 1994
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Pierson Industries, Inc.
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Theodore J. Pierson
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A45 - HAND OR TRAVELLING ARTICLES
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Safety valve locking device
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Patent number 5,282,551
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Issue date Feb 1, 1994
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Pierson Industries, Inc.
-
Theodore J. Pierson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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73150495 - THE FILMAKERS. PIERSON
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Serial number 73150495
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Registration number 1100725
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Filing date Dec 1, 1977
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PIERSON INDUSTRIES, INC.
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16 - Paper, cardboard and goods made from these materials, not included in other classes
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72377625 - PI
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Serial number 72377625
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Registration number 924927
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Filing date Dec 2, 1970
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PIERSON INDUSTRIES, INC.
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16 - Paper, cardboard and goods made from these materials, not included in other classes
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72323919 - VP
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Serial number 72323919
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Registration number 886107
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Filing date Apr 8, 1969
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PIERSON INDUSTRIES, INC.
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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72290644 - VERSI-PLY
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Serial number 72290644
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Registration number 867561
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Filing date Feb 8, 1968
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PIERSON INDUSTRIES, INC.
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16 - Paper, cardboard and goods made from these materials, not included in other classes