John D. Donofrio

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Ogdensburg, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Shade roller assembly
- Patent number 4,157,108
- Issue date Jun 5, 1979
- Joanna Western Mills Company
- John D. Donofrio
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Window shade slat
- Patent number 4,139,043
- Issue date Feb 13, 1979
- Joanna Western Mills Company
- John D. Donofrio
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Roller shade braking mechanism
- Patent number 4,096,904
- Issue date Jun 27, 1978
- Joanna Western Mills Company
- John D. Donofrio
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS