Inventor
FORSBERG PAUL J
29 patents
⚠️ This page may combine multiple inventors who share the name “FORSBERG PAUL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEYSTONE RETAINING WALL SYSTEMS INC
16 patentsUSD380560SJul 1, 1997
Three faceted broken front face of a retaining wall block
KEYSTONE RETAINING WALL SYSTEMS INC161 citations99
USD317048SMay 21, 1991
Wall block
KEYSTONE RETAINING WALL SYSTEMS INC200 citations99
USD381086SJul 15, 1997
Front face of a retaining wall block
KEYSTONE RETAINING WALL SYSTEMS INC125 citations98
USD298463SNov 8, 1988
Retaining wall block
KEYSTONE RETAINING WALL SYSTEMS INC130 citations97
USD397230SAug 18, 1998
Front face of a retaining wall
KEYSTONE RETAINING WALL SYSTEMS INC75 citations96
USD301064SMay 9, 1989
Convex block
KEYSTONE RETAINING WALL SYSTEMS INC69 citations96
USD300254SMar 14, 1989
Retaining wall block
KEYSTONE RETAINING WALL SYSTEMS INC72 citations96
USD300253SMar 14, 1989
Retaining wall block
KEYSTONE RETAINING WALL SYSTEMS INC74 citations96
USD299067SDec 20, 1988
Modular block wall
KEYSTONE RETAINING WALL SYSTEMS INC97 citations96
USD297767SSep 20, 1988
Block wall
KEYSTONE RETAINING WALL SYSTEMS INC75 citations96
USD297574SSep 6, 1988
Wall block
KEYSTONE RETAINING WALL SYSTEMS INC64 citations96
USD297464SAug 30, 1988
Wall block
KEYSTONE RETAINING WALL SYSTEMS INC75 citations96
USD296365SJun 21, 1988
Construction block
KEYSTONE RETAINING WALL SYSTEMS INC79 citations96
USD296007SMay 31, 1988
Wall block
KEYSTONE RETAINING WALL SYSTEMS INC109 citations96
USD295790SMay 17, 1988
Starter wall block
KEYSTONE RETAINING WALL SYSTEMS INC59 citations96
USD295788SMay 17, 1988
Wall block
KEYSTONE RETAINING WALL SYSTEMS INC76 citations96
FORSBERG PAUL J
6 patentsUSD317209SMay 28, 1991
Corner wall block
FORSBERG PAUL J175 citations98
USD311444SOct 16, 1990
Wall block
FORSBERG PAUL J64 citations96
USD316904SMay 14, 1991
Convex block
FORSBERG PAUL J42 citations92
US12397981B2Aug 26, 2025
System for transporting hot food
FORSBERG PAUL J0 citations52
US12252326B2Mar 18, 2025
System for transporting hot food
FORSBERG PAUL J0 citations52
US11952182B2Apr 9, 2024
System for transporting hot food
FORSBERG PAUL J0 citations52
KEYSTONE RETAINING WALL SYSTEM
5 patentsUS4914876AApr 10, 1990
Retaining wall with flexible mechanical soil stabilizing sheet
KEYSTONE RETAINING WALL SYSTEM228 citations99
US4802320AFeb 7, 1989
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM141 citations99
US4825619AMay 2, 1989
Block wall
KEYSTONE RETAINING WALL SYSTEM132 citations98
US5551809ASep 3, 1996
Embankment wall construction and method and block construction for making the same
KEYSTONE RETAINING WALL SYSTEM62 citations96
USRE37278EJul 17, 2001
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM41 citations92