Donal Butterfield

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New York City, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for an engineered joint
- Patent number 8,844,114
- Issue date Sep 30, 2014
- Donal Butterfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Flexible structure and method for controlling the quality of liquids
- Patent number 6,554,534
- Issue date Apr 29, 2003
- Donal Butterfield
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR AN ENGINEERED JOINT
- Publication number 20140079466
- Publication date Mar 20, 2014
- Donal Butterfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
System and Method for an Engineered Joint
- Publication number 20130318769
- Publication date Dec 5, 2013
- Donal Butterfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES