Daniel L. Ingold

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Wardsboro, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Edge seal and rerailer for insulating shade
- Patent number 4,651,796
- Issue date Mar 24, 1987
- Appropriate Technology Corporation
- Bruce C. Gardner
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Edge seal and rerailer for insulating shade
- Patent number 4,516,618
- Issue date May 14, 1985
- Appropriate Technology Corporation
- Bruce C. Gardner
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Venting system for insulating window shade
- Patent number 4,497,436
- Issue date Feb 5, 1985
- Appropriate Technology Corporation
- Daniel L. Ingold
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS