WB

William V. Block

BL Birchwood Laboratories: 13 patents #1 of 13Top 8%
EL Economics Laboratory: 2 patents #7 of 48Top 15%
FI Fremont Industries: 1 patents #6 of 8Top 75%
📍 Apple Valley, MN: #34 of 500 inventorsTop 7%
🗺 Minnesota: #4,601 of 52,454 inventorsTop 9%
Overall (All Time): #298,826 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9039821 Methods and compositions for coating aluminum substrates David J. Halverson, John Thanh Nguyen 2015-05-26
8691346 Methods and compositions for coating aluminum substrates David J. Halverson, John Thanh Ngoc Nguyen 2014-04-08
8287663 Ferrous metal magnetite coating processes and reagents Bryce D. Devine 2012-10-16
7964044 Ferrous metal magnetite coating processes and reagents Bryce D. Devine 2011-06-21
7625439 Bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron Bryce D. Devine 2009-12-01
7481872 Process for making bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron Bryce D. Devine 2009-01-27
7144599 Hybrid metal oxide/organometallic conversion coating for ferrous metals Bryce D. Devine 2006-12-05
6899956 Metal coloring process and solutions therefor Bryce D. Devine 2005-05-31
6899769 Composition and method for metal coloring process Keith N. Ravenscroft 2005-05-31
6695931 Composition and method for metal coloring process Keith N. Ravenscroft 2004-02-24
6576346 Composition and method for metal coloring process Keith N. Ravenscroft 2003-06-10
6527873 Composition and method for metal coloring process Keith N. Ravenscroft 2003-03-04
6309476 Composition and method for metal coloring process Keith N. Ravenscroft 2001-10-30
4594176 Polyalkylene polyamine-glycol accelerators for paint removal compositions Dennis Mahoney 1986-06-10
4537705 Aqueous alkaline polyamine paint stripping compositions Dennis Mahoney 1985-08-27
4220456 Paint removal composition spray method for paint booths 1980-09-02