Inventor
POLOWINCZAK ALLEN D
US13 patents
⚠️ This page may combine multiple inventors who share the name “POLOWINCZAK ALLEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASHLAND PROD INC
10 patentsUS5806243ASep 15, 1998
Sash balance brake assembly
ASHLAND PROD INC61 citations96
US5632117AMay 27, 1997
Sash balance brake assembly
ASHLAND PROD INC56 citations96
US5553903ASep 10, 1996
Window vent stop
ASHLAND PROD INC73 citations96
US5661927ASep 2, 1997
Sliding counterbalance assembly for a sash window
ASHLAND PROD INC100 citations94
US6854214B2Feb 15, 2005
Stop for a slidable window
ASHLAND PROD INC25 citations92
US6802105B2Oct 12, 2004
Spring balance assembly
ASHLAND PROD INC19 citations92
US5924243AJul 20, 1999
Rotor for a sash balance brake and pivot pin assembly
ASHLAND PROD INC41 citations92
US6484444B1Nov 26, 2002
Stop for a slidable window
ASHLAND PROD INC17 citations83
USD465401SNov 12, 2002
Tilt-latch
ASHLAND PROD INC8 citations73
USD456688SMay 7, 2002
Tilt-latch
ASHLAND PROD INC13 citations72