David H. Leifheit

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Chlorine dioxide generator
- Patent number 5,126,070
- Issue date Jun 30, 1992
- The Drackett Company
- David Leifheit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multiple compartment flexible package
- Patent number 4,998,671
- Issue date Mar 12, 1991
- The Drackett Company
- David H. Leifheit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thickened acid cleaner compositions containing quaternary ammonium...
- Patent number 4,743,395
- Issue date May 10, 1988
- The Drackett Company
- David H. Leifheit
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...