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The "perfect measure" spoon was invented by Holopack International Corp. in Columbia, SC. Holopack International Corp. designed and patented the RiteDose technology. McNeil Pharmaceutical utilizes Holopack as a contract manufacturer/packager for their Benadryl product. McNeil/Pfizer trademarked the name Perfect Measure.

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16y ago
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Q: Who invented perfect measure by Benadryl?
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