Donald L. Gerth

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Resilient plastic web exhibiting reduced skin contact area and enha...
- Patent number 5,514,105
- Issue date May 7, 1996
- The Procter & Gamble Company
- William H. Goodman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for making substantially fluid-impervious micr...
- Patent number 4,778,644
- Issue date Oct 18, 1988
- The Procter & Gamble Company
- John J. Curro
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dosing device to provide vaporized medicament to the lungs as a fin...
- Patent number 4,735,217
- Issue date Apr 5, 1988
- The Procter & Gamble Company
- Donald L. Gerth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-phase process for debossing and perforating a polymeric web t...
- Patent number 4,609,518
- Issue date Sep 2, 1986
- The Procter & Gamble Company
- John J. Curro
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL