Daniel A. Merkel

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Sheboygan, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Orthodontic bracket with rhomboidal profile
- Patent number 4,659,309
- Issue date Apr 21, 1987
- American Orthodontics Corporation
- Daniel A. Merkel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Orthodontic appliance
- Patent number 4,193,195
- Issue date Mar 18, 1980
- American Orthodontics Corporation
- Daniel A. Merkel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE