RL

Robert J. Libman

TL The Libman: 139 patents #2 of 29Top 7%
LB Libman Broom: 4 patents #3 of 5Top 60%
📍 Champaign, IL: #6 of 1,105 inventorsTop 1%
🗺 Illinois: #71 of 84,256 inventorsTop 1%
Overall (All Time): #5,975 of 4,157,543Top 1%
153
Patents All Time

Issued Patents All Time

Showing 126–150 of 153 patents

Patent #TitleCo-InventorsDate
D469613 Scrub brush Enzo Berti 2003-02-04
D469230 Squeegee Enzo Berti 2003-01-21
D468909 Kitchen brush Enzo Berti 2003-01-21
D468111 Kitchen brush Enzo Berti 2003-01-07
D468110 Dust brush Enzo Berti 2003-01-07
D468112 Toilet brush Enzo Berti 2003-01-07
D467435 Kitchen brush Enzo Berti 2002-12-24
6393647 Broom with mounting bracket for detachable handle 2002-05-28
D456617 Broom head 2002-05-07
D456618 Broom 2002-05-07
D455562 Broom 2002-04-16
6321409 String mop and connector therefor 2001-11-27
6115869 Wringer mop 2000-09-12
5920945 Broom head with integral terminal connection for winding wire 1999-07-13
D387526 Combined wringer hand grip, tubular shell, and collar for a mop Enzo Berti 1997-12-09
D358972 Attachment bracket for a pivotal tool handle 1995-06-06
D354170 Combined broom head holder and handle attachment 1995-01-10
D351267 Sponge mop squeeze plate with handle grip 1994-10-04
D351066 Dispensing bristle support for attachment to a bottle 1994-10-04
D349635 Tool handle connector Enzo Berti 1994-08-16
D348827 Handle end pivot joint yoke Enzo Berti 1994-07-19
D348357 Push broom head 1994-07-05
D346946 Pair of grips for a handle Enzo Berti 1994-05-17
D346543 Handle grip Enzo Berti 1994-05-03
D287173 Liquid applicator 1986-12-09