CM

Charles McInvale

MI Ma Industries: 5 patents #3 of 37Top 9%
Overall (All Time): #1,033,720 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D556917 Two sided manhole step Bobbie Don Peacock 2007-12-04
D498131 Manhole lift insert with frangible positioner Bobbie Don Peacock 2004-11-09
D490907 Two-sided manhole step Bobbie Don Peacock 2004-06-01
6315077 Insert forming hole to receive manhole step Bobbie Don Peacock 2001-11-13
6109587 Manhole lift insert locator Bobbie Don Peacock 2000-08-29