4. Photography and optical equipment
  5. Ophthalmic article
  6. Element or attachment

Mark A. Helle

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High temperature process for preparing fiber reactive dyes

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent

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Method for making 24(S)-hydroxyvitamin D2

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...
Reexamination Certificate

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Sport goggle strap cover

Photography and optical equipment – Ophthalmic article – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-361745

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