Erhart E. Demand

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Boston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Heated dental mirror
- Patent number 4,993,945
- Issue date Feb 19, 1991
- D-O Scientific Products, Inc.
- Benedict B. Kimmelman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for applying controlled temperature stimuli to nerve sensiti...
- Patent number 4,759,712
- Issue date Jul 26, 1988
- Temptronic Corporation
- Erhart E. Demand
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE