Fred Knapp Engraving Company, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fred Knapp Engraving Company, Inc..The latest application filed is for "multiple port snap swivel coupling and kit".
- Fred Knapp Engraving Company, Inc. - Racine WI
| Patent | Date |
|---|---|
| Multiple port snap swivel coupling and kit Grant 8,333,410 - Boticki December 18, 2 | 2012-12-18 |
| Multiple Port Snap Swivel Coupling and Kit App 20100284730 - Boticki; John A. | 2010-11-11 |
| Quick-disconnect tube coupler with use-enhancing features Grant 5,695,223 - Boticki December 9, 1 | 1997-12-09 |
| Pneumatic regulating valve Grant 5,261,447 - Boticki November 16, 1 | 1993-11-16 |
| Snap swivel coupling for fluid flow applications Grant 4,946,204 - Boticki August 7, 1 | 1990-08-07 |
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