Inventor

INGOLD DANIEL L

US3 patents

Patents

3 patents

US4516618AMay 14, 1985

Edge seal and rerailer for insulating shade

APPROPRIATE TECH CORP27 citations87

US4497436AFeb 5, 1985

Venting system for insulating window shade

APPROPRIATE TECH CORP5 citations60

US4651796AMar 24, 1987

Edge seal and rerailer for insulating shade

APPROPRIATE TECH CORP5 citations57