Ron H. Iff

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Puyallup, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic material containing towel
- Patent number 5,085,914
- Issue date Feb 4, 1992
- Weyerhaeuser Company
- Lee E. Perdelwitz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermoplastic material containing towel
- Patent number 5,030,500
- Issue date Jul 9, 1991
- Weyerhaeuser Company
- Lee E. Perdelwitz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pet pad of thermoplastic containing materials with insecticide
- Patent number 4,961,930
- Issue date Oct 9, 1990
- Weyerhaeuser Company
- Jr., Lee E. Perdelwitz
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of making a limited life pad
- Patent number 4,900,377
- Issue date Feb 13, 1990
- Weyerhaeuser Company
- Douglas E. Redford
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thermoplastic material containing absorbent pad or other article
- Patent number 4,886,697
- Issue date Dec 12, 1989
- Weyerhaeuser Company
- Lee E. Perdelwitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE