Donald H. Wolfe

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Edmonton, Alberta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method of securing a coupling to an end of a composite pipe
- Patent number 5,884,383
- Issue date Mar 23, 1999
- Wolfe; Donald H.
- Donald H. Wolfe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe coupling
- Patent number 5,685,576
- Issue date Nov 11, 1997
- Donald H. Wolfe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of manufacturing a flexible tubular structure
- Patent number 5,435,867
- Issue date Jul 25, 1995
- Wolf; Donald H.
- Donald H. Wolfe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Flexible tubular structure
- Patent number 5,261,462
- Issue date Nov 16, 1993
- Wolfe; Donald H.
- Donald H. Wolfe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL