FM

Frederick S. Marshall

UN Unknown: 8 patents #1,262 of 83,584Top 2%
Overall (All Time): #377,577 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10704252 Method for lifting and supporting a new slab foundation with hydraulic jacks Benjamin Marshall 2020-07-07
10557246 Roller forms for temporarily supporting a new slab foundation 2020-02-11
10450715 Powered lifting station for and method for lifting a slab foundation 2019-10-22
8678712 System for forming a movable slab foundation 2014-03-25
8671627 System for forming a movable slab foundation 2014-03-18
8458984 System and method for forming a movable slab foundation 2013-06-11
8407898 System and method for forming a movable slab foundation 2013-04-02
6722820 Method for installing grout within a piling 2004-04-20
6718707 Cable end wedge lock 2004-04-13
6634830 Method and apparatus for post-tensioning segmented concrete pilings 2003-10-21
6543967 Staggered rebar for concrete pilings 2003-04-08
6390734 Method and apparatus for anchoring a piling to a slab foundation 2002-05-21
5713701 Foundation piling 1998-02-03