Inventor
GOLDSTEIN FREDRIC
SE32 patents
⚠️ This page may combine multiple inventors who share the name “GOLDSTEIN FREDRIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GROUP ONE LTD
20 patentsUS7578071B2Aug 25, 2009
Fluid reservoir wiper assembly
GROUP ONE LTD17 citations90
US11318362B2May 3, 2022
Tennis net tension system including service let indication feature
GROUP ONE LTD6 citations85
US10583341B2Mar 10, 2020
Tennis net tension system including service let indication feature
GROUP ONE LTD8 citations84
US10272307B2Apr 30, 2019
Tennis net tension system including service let indication feature
GROUP ONE LTD10 citations84
US10080943B2Sep 25, 2018
Tennis net tension system including service let indication feature
GROUP ONE LTD11 citations84
US9687707B2Jun 27, 2017
Tennis net tension system including service let indication feature
GROUP ONE LTD14 citations84
US7360319B1Apr 22, 2008
Dip stick
GROUP ONE LTD16 citations82
US11738248B2Aug 29, 2023
Tennis net tension system including service let indication feature
GROUP ONE LTD4 citations74
US11944881B2Apr 2, 2024
Tennis net tension system including service let indication feature
GROUP ONE LTD2 citations73
US6261216B1Jul 17, 2001
Ribbon curling and shredding device
GROUP ONE LTD3 citations73
US12357892B2Jul 15, 2025
Tennis single stick with net cable support
GROUP ONE LTD0 citations62
US11229828B2Jan 25, 2022
Towel rack for use during sports event
GROUP ONE LTD1 citations62
US9422841B2Aug 23, 2016
Fill tube with pop-up pouring assistance assembly
GROUP ONE LTD2 citations62
US7979999B2Jul 19, 2011
Fluid reservoir assembly
GROUP ONE LTD3 citations60
US7837402B2Nov 23, 2010
Fluid reservoir wiper assembly
GROUP ONE LTD4 citations60
US12377331B2Aug 5, 2025
Tennis net tension system including service let indication feature
GROUP ONE LTD0 citations52
US11721102B2Aug 8, 2023
Tennis integrity match fixing identification system
GROUP ONE LTD0 citations52
US9975023B2May 22, 2018
Towel rack for use during sports event
GROUP ONE LTD0 citations52
US6939285B1Sep 6, 2005
Ribbon curling and shredding device
GROUP ONE LTD0 citations52
US6228015B1May 8, 2001
Ribbon curling and shredding device
GROUP ONE LTD0 citations52
(unassigned)
8 patentsUS5711752AJan 27, 1998
Ribbon curling and shredding method
48 citations96
US5916081AJun 29, 1999
Ribbon curling and shredding device
21 citations92
US5564145AOct 15, 1996
Ribbon curling tool
21 citations92
US5518492AMay 21, 1996
Ribbon curling and shredding device
21 citations92
US5400452AMar 28, 1995
Ribbon curling tool
30 citations92
US5407417AApr 18, 1995
Ribbon curling device
19 citations82
US5551646ASep 3, 1996
Ribbon curling and ribbon splitting device
14 citations73
US6655559B2Dec 2, 2003
Curly ribbon product making machine
3 citations61