Inventor
HABBERSETT JOHN I
US7 patents
Patents
7 patentsUS5119592AJun 9, 1992
Balance system for laterally biased sash guides
CALDWELL MFG CO29 citations92
US5615452AApr 1, 1997
Lift-off guard guide for tilt shoe
CALDWELL MFG CO29 citations91
US4885871ADec 12, 1989
Audibly locking shoe system for take-out window
CALDWELL MFG CO29 citations91
US4799333AJan 24, 1989
Lock shoe system for take-out window
CALDWELL MFG CO30 citations91
US5159794ANov 3, 1992
Jamb liner slot cover
CALDWELL MFG CO9 citations73
US5694664ADec 9, 1997
Coupling for spiral counterbalance
CALDWELL MFG CO8 citations72
US4800680AJan 31, 1989
Cord guide system for sash balance
CALDWELL MFG CO18 citations71