MACLAY M. ARMSTRONG

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SEATTLE, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Force-adjustable and disconnectible connector for orthodontic headgear
- Patent number 4,553,934
- Issue date Nov 19, 1985
- Armstrong; Maclay M.
- Maclay M. Armstrong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Force-adjustable and disconnectible connector for orthodontic headgear
- Patent number 4,553,933
- Issue date Nov 19, 1985
- Armstrong; Maclay M.
- Maclay M. Armstrong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and implement for pulling bonded orthodontic brackets off teeth
- Patent number 4,553,932
- Issue date Nov 19, 1985
- Armstrong; Maclay M.
- Maclay M. Armstrong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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