Inventor
LIPNIARSKI DAVID J
US15 patents
⚠️ This page may combine multiple inventors who share the name “LIPNIARSKI DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONFER PLASTICS INC
9 patentsUS7234780B2Jun 26, 2007
Indented female blow-molded connector and male connector and method
CONFER PLASTICS INC28 citations92
US6102156AAug 15, 2000
Blow molded articles and method of making
CONFER PLASTICS INC50 citations92
US7526841B2May 5, 2009
Indented female blow-molded connector and male connector and method
CONFER PLASTICS INC8 citations83
US7275289B2Oct 2, 2007
Indented female blow-molded connector and male connector and method
CONFER PLASTICS INC12 citations83
US8936134B2Jan 20, 2015
Three/four step ladder with a curve about
CONFER PLASTICS INC2 citations62
US6190600B1Feb 20, 2001
Circular interconnect
CONFER PLASTICS INC4 citations62
USD401360SNov 17, 1998
Gate
CONFER PLASTICS INC5 citations61
US7578632B2Aug 25, 2009
Secure interlocking system for plastic materials
CONFER PLASTICS INC0 citations41
US7448824B2Nov 11, 2008
Traffic barricade having interchangeable parts
CONFER PLASTICS INC0 citations41
WALL PRODUCTS LLC OFF
4 patentsUS7789585B2Sep 7, 2010
Control barrier with rotatable legs
WALL PRODUCTS LLC OFF32 citations92
USD599488SSep 1, 2009
Control barrier with rotatable legs
WALL PRODUCTS LLC OFF21 citations92
US7540682B1Jun 2, 2009
Control barrier with rotatable legs
WALL PRODUCTS LLC OFF38 citations92
USD569992SMay 27, 2008
Traffic barrier
WALL PRODUCTS LLC OFF23 citations92