DM

Donald May

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Independence, MO: #19 of 256 inventorsTop 8%
🗺 Missouri: #2,345 of 23,789 inventorsTop 10%
Overall (All Time): #584,358 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7195426 Structural pier and method for installing the same 2007-03-27
7044686 Apparatus and method for supporting a structure with a pier 2006-05-16
6872031 Apparatus and method of supporting a structure with a pier 2005-03-29
6659692 Apparatus and method for supporting a structure with a pier and helix 2003-12-09
D468842 Pier insert 2003-01-14
6193442 Method and device for raising and supporting a building foundation 2001-02-27
4854782 Apparatus for lifting structures 1989-08-08
4800700 Method and apparatus for lifting and supporting slabs 1989-01-31
4634319 Method and apparatus for lifting and supporting structures 1987-01-06