VF

Vance D. Fiegel

EM Embro: 14 patents #1 of 2Top 50%
CS Cardiothoracic Systems: 2 patents #30 of 63Top 50%
MC Maquet Cardiovascular: 1 patents #94 of 132Top 75%
📍 Shakopee, MN: #22 of 404 inventorsTop 6%
🗺 Minnesota: #3,524 of 52,454 inventorsTop 7%
Overall (All Time): #223,518 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10507012 Vein harvesting system and method David R. Knighton 2019-12-17
9795809 Use of moss to improve dental health David R. Knighton 2017-10-24
9421505 Turbulent flow devices and methods of use Benjamin Joseph Schaffer, Thomas Raymond Schaffer, Richard Thomas Schaffer, David R. Knighton 2016-08-23
9005449 Use of moss to reduce disinfection by-products in water treated with disinfectants David R. Knighton 2015-04-14
8777835 Vein harvesting system and method David R. Knighton 2014-07-15
7959553 Vein harvesting system and method David R. Knighton 2011-06-14
7691084 Therapeutic device and system David R. Knighton 2010-04-06
7625486 Devices for water treatment David R. Knighton 2009-12-01
7625489 Methods of treating water using devices for water treatment David R. Knighton 2009-12-01
7497947 Devices for water treatment David R. Knighton 2009-03-03
7396345 Therapeutic device and system David R. Knighton 2008-07-08
7211040 Vein harvesting system and method David R. Knighton 2007-05-01
7066875 Apparatus and method for vein removal David R. Knighton 2006-06-27
6705986 Vein harvesting system and method David R. Knighton 2004-03-16
6558313 Vein harvesting system and method David R. Knighton 2003-05-06
6551280 Therapeutic device and system David R. Knighton 2003-04-22
6511494 Vein harvesting system and method David R. Knighton 2003-01-28
6428468 Apparatus and method for vein removal David R. Knighton 2002-08-06
6071232 Apparatus for vein removal David R. Knighton 2000-06-06
5772576 Apparatus and method for vein removal David R. Knighton 1998-06-30