Joan M. Bergstrom

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Reducing solution for permanent wave
- Patent number 5,332,570
- Issue date Jul 26, 1994
- Dowbrands Inc.
- Joan M. Bergstrom
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic pressure sensitive adhesive for topical administration...
- Patent number 5,173,302
- Issue date Dec 22, 1992
- Medtronic, Inc.
- Carolann M. Holmblad
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE