Robert S. Flight

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulley mount for window balance system
- Patent number 4,689,850
- Issue date Sep 1, 1987
- Caldwell Manufacturing Company
- Robert S. Flight
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Spring coupler for block and tackle window balance system
- Patent number 4,672,713
- Issue date Jun 16, 1987
- Caldwell Manufacturing Company
- William P. Newton
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Adjustable friction block and tackle window balance system
- Patent number 4,654,928
- Issue date Apr 7, 1987
- Caldwell Manufacturing Company
- Robert S. Flight
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES