Sand landing pits

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Patents Grantslast 30 patents

Information Patent Grant
Cover assemblies for use in covering a sand area of a jump pit
- Patent number 10,737,129
- Issue date Aug 11, 2020
- Sportsfield Intellectual, LLC
- Sean R. Clark
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of forming a jump pit
- Patent number 8,186,125
- Issue date May 29, 2012
- Sportsfield Specialties, Inc.
- Burt Goulet
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Jump pit form
- Patent number 7,641,593
- Issue date Jan 5, 2010
- Sportsfield Specialties, Inc.
- Burt Goulet
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Jump takeoff position indicator system
- Patent number 7,236,257
- Issue date Jun 26, 2007
- James E. Rubach
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Non-carcinogenic substitute for play sand
- Patent number 6,180,128
- Issue date Jan 30, 2001
- C-Cure Corp.
- Charles J. Johansen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Device for levelling a layer of sand
- Patent number 5,779,390
- Issue date Jul 14, 1998
- Jukka Tapani Tuusinen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
2588722
- Patent number 2,588,722
- Issue date Mar 11, 1952
- A63 - SPORTS GAMES AMUSEMENTS