Gregory N. Farrell Sr.

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Waterford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Geometrics window system
- Patent number 8,984,820
- Issue date Mar 24, 2015
- Charles D Kownacki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Light-weight video cassette
- Patent number 6,404,589
- Issue date Jun 11, 2002
- Precise Plastics
- Charles D. Kownacki
- G11 - INFORMATION STORAGE