Donald K. Burchett

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Louisville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Balloons having improved resistance to oxidation
- Patent number 5,492,500
- Issue date Feb 20, 1996
- Hi-Float Co., Inc.
- Harold K. Sinclair
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for removing chloroprene dimers from polychloroprene
- Patent number 4,943,402
- Issue date Jul 24, 1990
- E. I. Du Pont de Nemours and Company
- Fred Y. Kafka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Inflatable elastomeric balloons having increased buoyant lifetimes
- Patent number 4,634,395
- Issue date Jan 6, 1987
- Donald Burchett
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Process for recovery of polymers from their dispersions in liquids
- Patent number RE30378
- Issue date Aug 19, 1980
- E. I. DuPont de Nemours and Company
- Archie R. Bice
- 528 - Synthetic resins or natural rubbers
Information Patent Grant
Extrusion process for recovery of polymers from their dispersions i...
- Patent number 4,136,251
- Issue date Jan 23, 1979
- E. I. Du Pont de Nemours and Company
- Archie R. Bice
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS TO DRY PAINT BRUSHES
- Publication number 20090057500
- Publication date Mar 5, 2009
- Donald K. Burchett
- A46 - BRUSHWARE
Information Patent Application
VALVED LONG FLOATING TOY BALLOON
- Publication number 20090047864
- Publication date Feb 19, 2009
- Donald K. Burchett
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Lighter than air novelty figure
- Publication number 20060223411
- Publication date Oct 5, 2006
- Donald K. Burchett
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Novelty stick-on facial feature
- Publication number 20060222806
- Publication date Oct 5, 2006
- Donald K. Burchett
- A63 - SPORTS GAMES AMUSEMENTS