Ronald J. Stefancin Jr.

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Westlake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reusasble syringe with a disposable needle sheath
- Patent number 5,562,625
- Issue date Oct 8, 1996
- Ronald J. Stefancin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Keyboard tray assembly
- Patent number 5,341,929
- Issue date Aug 30, 1994
- Ronald J. Stefancin
- G06 - COMPUTING CALCULATING COUNTING