Steven Helesfai

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Tumbler wheel structure for radiological detector resistant combina...
- Patent number 4,803,859
- Issue date Feb 14, 1989
- Harry C. Miller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Radiological detection resistant combination lock
- Patent number 4,796,446
- Issue date Jan 10, 1989
- Harry C. Miller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Radiological detection resistant key changeable combination lock
- Patent number 4,776,190
- Issue date Oct 11, 1988
- Sargent & Greenleaf, Inc.
- Harry C. Miller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Tool kit for attaching and removing spiral lock washers
- Patent number 4,226,013
- Issue date Oct 7, 1980
- Miller; Harry C.
- Steven Helesfai
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Tumbler wheel combination locks with torque adjuster means
- Patent number 4,163,376
- Issue date Aug 7, 1979
- Sargent & Greenleaf, Inc.
- Benson L. Miller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Combination lock construction
- Patent number 3,968,667
- Issue date Jul 13, 1976
- Sargent & Greenleaf, Inc.
- Klaus W. Gartner
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES