JOHN BROWN INC

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BEAVERTON, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Differential pressure thermoforming and foam injection process and...
- Patent number 4,676,938
- Issue date Jun 30, 1987
- John Brown, Inc.
- Roland Karklin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermoforming methods
- Patent number 4,666,544
- Issue date May 19, 1987
- John Brown Inc.
- Robert C. Whiteside
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
System for thermoforming articles such as picnic plates in a pair o...
- Patent number 4,636,348
- Issue date Jan 13, 1987
- John Brown Inc.
- Robert C. Whiteside
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermoforming equipment for differential pressure forming products...
- Patent number 4,608,009
- Issue date Aug 26, 1986
- John Brown Inc.
- Robert C. Whiteside
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Differential pressure molding apparatus employing releasable restri...
- Patent number 4,600,376
- Issue date Jul 15, 1986
- John Brown Inc.
- Tommie D. Gillman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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