Inventor
OHRSTROM ROLF J
CA18 patents
⚠️ This page may combine multiple inventors who share the name “OHRSTROM ROLF J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPA LUMBER INC
7 patentsUS7543802B2Jun 9, 2009
Railing system
ALPA LUMBER INC64 citations97
USD547462SJul 24, 2007
Baluster
ALPA LUMBER INC32 citations92
US7992841B2Aug 9, 2011
Slide connector and railing system incorporting same
ALPA LUMBER INC14 citations83
US7707779B2May 4, 2010
Frame assembly for window with vertically sliding sash
ALPA LUMBER INC12 citations83
US7707778B2May 4, 2010
Frame assembly for windows or doors with removable sash
ALPA LUMBER INC11 citations83
USD547464SJul 24, 2007
Post cap
ALPA LUMBER INC16 citations83
USD594574SJun 16, 2009
Synthetic arched baluster
ALPA LUMBER INC4 citations62
VISION EXTRUSIONS LTD
6 patentsUSD619879SJul 20, 2010
Fence bracket
VISION EXTRUSIONS LTD81 citations96
USD858798SSep 3, 2019
Fence
VISION EXTRUSIONS LTD19 citations92
USD873439SJan 21, 2020
Fence
VISION EXTRUSIONS LTD4 citations82
US10851560B2Dec 1, 2020
Fence system
VISION EXTRUSIONS LTD2 citations71
USD890953SJul 21, 2020
Fence
VISION EXTRUSIONS LTD1 citations71
US12392162B2Aug 19, 2025
Fence system
VISION EXTRUSIONS LTD0 citations60