HD

Henry Dykstra

DF Delaware Capital Formation: 21 patents #4 of 626Top 1%
📍 Richmond, MI: #1 of 73 inventorsTop 2%
🗺 Michigan: #3,762 of 86,293 inventorsTop 5%
Overall (All Time): #209,559 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
9254555 Clamping device with removable handles Kenneth Hagan, David W. Martin 2016-02-09
8740208 Clamping device with removable handles Kenneth Hagan, David W. Martin 2014-06-03
7878492 T-slot clamp 2011-02-01
7314214 Power clamp Douglas D. Colby, Matthew Rentz 2008-01-01
6932335 Locking clamp 2005-08-23
6755406 Enclosed power clamp Matthew Rentz 2004-06-29
6595507 Hold down toggle clamp 2003-07-22
6386598 Locking power clamp Douglas D. Colby 2002-05-14
6374465 Pull action clamp mechanism 2002-04-23
6105947 Low profile pneumatic retractor clamp 2000-08-22
5967502 Enclosed pneumatic clamp 1999-10-19
5961109 Amplified hold-down clamp Douglas D. Colby 1999-10-05
5904349 Push-pull clamp 1999-05-18
5809623 Squeeze clamp 1998-09-22
5772193 Double supported plunger clamp 1998-06-30
5287602 Powered toggle latch clamp 1994-02-22
5257774 Power actuated pull clamp 1993-11-02
5165148 Toggle clamp with locking mechanism Walter Fleischer 1992-11-24
5149070 Edge clamp 1992-09-22
5115110 Hydraulic quick change clamp Jerome E. Tucker 1992-05-19
4958813 Die clamp 1990-09-25