Assignee
APPROPRIATE TECH CORP
US8 patents
Top patents by PatentIndex Score
US4921032AMay 1, 1990
Roman shades
APPROPRIATE TECH CORP105 citations94
US4610292ASep 9, 1986
Insulating shade assembly with removable cover
APPROPRIATE TECH CORP73 citations90
US4418739ADec 6, 1983
Insulating window covering
APPROPRIATE TECH CORP70 citations90
US4516618AMay 14, 1985
Edge seal and rerailer for insulating shade
APPROPRIATE TECH CORP27 citations87
US4744403AMay 17, 1988
Retrofittable insulating system for solar rooms
APPROPRIATE TECH CORP43 citations86
US4649981AMar 17, 1987
Edge seal for fabric covers
APPROPRIATE TECH CORP127 citations86
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