RY

Robert H. Youngren

EC Estwing Manufacturing Company: 18 patents #1 of 14Top 8%
📍 Stillman Valley, IL: #2 of 26 inventorsTop 8%
🗺 Illinois: #4,396 of 84,256 inventorsTop 6%
Overall (All Time): #256,068 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
D833246 Hammer Joshua D. West 2018-11-13
D788562 Hammer Joshua D. West 2017-06-06
D773599 Machete Joshua D. West, John W. Ryan, Mark Youngren 2016-12-06
D752938 Hammer Joshua D. West, John W. Ryan 2016-04-05
D730134 Pick Joshua West 2015-05-26
D672218 Hammer Daniel M. Eisman 2012-12-11
D604136 Hammer Daniel M. Eisman 2009-11-17
D601398 Hammer Daniel M. Eisman 2009-10-06
7404346 Striking tool with weight forward head Daniel M. Eisman, Daniel Loveland, Christopher Aiston, Jack Harkins 2008-07-29
D551529 Hammer Bruce V. Johnson 2007-09-25
D549064 Hammer Bruce V. Johnson 2007-08-21
D549066 Hammer Bruce V. Johnson 2007-08-21
D540646 Hammer 2007-04-17
D521342 Hammer 2006-05-23
6976406 Striking tool with weight forward head Daniel M. Eisman, Daniel Loveland, Christopher Aiston, Jack Harkins 2005-12-20
6647829 Striking tool with weight forward head Daniel M. Eisman, Daniel Loveland, Christopher Aiston, Jack Harkins 2003-11-18
6629684 Combination nail pulling tool Timothy Weir 2003-10-07
6196088 Hammer with striking cap 2001-03-06