Stephen T. Mansfield

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Beaver Falls, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Light-weight structural panel construction
- Patent number 10,266,303
- Issue date Apr 23, 2019
- Charles D. Kownacki
- E04 - BUILDING
Information Patent Grant
Impact resistant tilt window assembly
- Patent number 7,415,797
- Issue date Aug 26, 2008
- Simonton Building Products, Inc.
- Cynthia A. Dotson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
One-piece injection molded window frame and sash
- Patent number 6,749,797
- Issue date Jun 15, 2004
- SBR Inc.
- Charles D. Kownacki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL COMPOSITE PULTRUSION PROCESS
- Publication number 20220388257
- Publication date Dec 8, 2022
- Pulflex Technologies LLC
- Steven Mansfield
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Impact resistant tilt window assembly
- Publication number 20050016066
- Publication date Jan 27, 2005
- Cynthia A. Dotson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
One-piece injection molded window frame and sash
- Publication number 20040226208
- Publication date Nov 18, 2004
- Charles D. Kownacki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
One-piece injection molded window frame and sash
- Publication number 20030145532
- Publication date Aug 7, 2003
- Charles D. Kownacki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL