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Raised ridge knee pad
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Patent number 5,289,830
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Issue date Mar 1, 1994
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Norman D. Levine
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A41 - WEARING APPAREL
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Protective pad
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Patent number D343480
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Issue date Jan 18, 1994
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Norman D. Levine
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D29 - Equipment for safety, protection, and rescue
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Protective pad
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Patent number D341679
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Issue date Nov 23, 1993
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Norman D. Levine
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D29 - Equipment for safety, protection, and rescue
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Protective pad
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Patent number D341681
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Issue date Nov 23, 1993
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Norman D. Levine
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D29 - Equipment for safety, protection, and rescue
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Protective pad
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Patent number D341680
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Issue date Nov 23, 1993
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Norman D. Levine
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D29 - Equipment for safety, protection, and rescue
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Knee pad
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Patent number 5,255,391
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Issue date Oct 26, 1993
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Norman D. Levine
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A41 - WEARING APPAREL
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Skateboard handle
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Patent number 4,886,297
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Issue date Dec 12, 1989
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Norman Levine
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A63 - SPORTS GAMES AMUSEMENTS
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Skateboard handle
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Patent number D298047
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Issue date Oct 11, 1988
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Norman D. Levine
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D21 - Games, toys, and sports goods
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Heavy bag stand
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Patent number 4,557,478
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Issue date Dec 10, 1985
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Norman D. Levine
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A63 - SPORTS GAMES AMUSEMENTS
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Heavy bag and stand
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Patent number 4,482,150
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Issue date Nov 13, 1984
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Norman D. Levine
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A63 - SPORTS GAMES AMUSEMENTS
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Arm support
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Patent number 4,476,857
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Issue date Oct 16, 1984
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Norman D. Levine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE