John N. Worth

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Bolnhurst, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotary union
- Patent number 5,947,337
- Issue date Sep 7, 1999
- W. R. Grace & Co.-Conn.
- John Numa Worth
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
A reinforced tubular seal
- Patent number 5,114,055
- Issue date May 19, 1992
- W. R. Grace & Co.-Conn.
- John N. Worth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Dispensing valve with tubular seal
- Patent number 4,798,314
- Issue date Jan 17, 1989
- W. R. Grace & Co.
- John N. Worth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...