ZEYFANG; REDERICK W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for ZEYFANG; REDERICK W..The latest application filed is for "gas bottle valve stem protective device with optional finger grips".
- ZEYFANG; REDERICK W. - Erie PA
| Patent | Date |
|---|---|
| Gas Bottle Valve Stem Protective Device With Optional Finger Grips App 20130220447 - ZEYFANG; REDERICK W. | 2013-08-29 |
| Flange protector Grant D659,808 - Zeyfang May 15, 2 | 2012-05-15 |
| Vented end cap for medical tube App 20110240162 - Zeyfang; Rederick W. | 2011-10-06 |
| Gas bottle valve stem protective sleeve App 20110210134 - Zeyfang; Rederick W. | 2011-09-01 |
| Flange protector App 20110126935 - Zeyfang; Rederick W. | 2011-06-02 |
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