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David Ollendick
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Ogden, UT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spikeless tie plate fasteners, pre-plated railroad ties and related...
Patent number
7,850,090
Issue date
Dec 14, 2010
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Pre-plating of wooden railroad ties
Patent number
6,681,474
Issue date
Jan 27, 2004
Robert Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
System and assembly for the manufacturing of prestressed reinforced...
Patent number
6,561,780
Issue date
May 13, 2003
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Pre-plating of wooden railroad ties
Patent number
6,546,612
Issue date
Apr 15, 2003
Robert Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method for manufacturing prestressed reinforced concrete railroad ties
Patent number
6,374,475
Issue date
Apr 23, 2002
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Pre-plating of wooden railroad ties
Patent number
6,292,997
Issue date
Sep 25, 2001
Robert Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Apparatus for the manufacturing of prestressed reinforced concrete...
Patent number
5,747,074
Issue date
May 5, 1998
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Patents Applications
last 30 patents
Information
Patent Application
Rehabilitation of discarded wooden railroad ties having disabling c...
Publication number
20120187205
Publication date
Jul 26, 2012
David Ollendick
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
Rehabilitation of discarded wooden railroad ties having disabling c...
Publication number
20090178731
Publication date
Jul 16, 2009
David Ollendick
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
Spikeless tie plate fasteners, pre-plated railroad ties and related...
Publication number
20080121731
Publication date
May 29, 2008
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Rehabilitation of discarded wooden railroad ties having disabling c...
Publication number
20070290060
Publication date
Dec 20, 2007
David Ollendick
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
Securing spikes in pre-existing loosened spike cavities in railroad...
Publication number
20070246558
Publication date
Oct 25, 2007
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Anti-mud pumping railroad ties, pre-plated railroad ties and relate...
Publication number
20070012794
Publication date
Jan 18, 2007
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Spikeless tie plate fasteners, pre-plated railroad ties and related...
Publication number
20060214018
Publication date
Sep 28, 2006
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Spikeless tie plate fasteners, pre-plated railroad ties and related...
Publication number
20060214019
Publication date
Sep 28, 2006
David Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Methods and apparatus for the manufacturing of prestressed reinforc...
Publication number
20050017403
Publication date
Jan 27, 2005
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Methods and apparatus for the manufacturing of prestressed reinforc...
Publication number
20030113395
Publication date
Jun 19, 2003
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Pre-plating of wooden railroad ties
Publication number
20030061697
Publication date
Apr 3, 2003
Robert Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Methods and apparatus for the manufacturing of prestressed reinforc...
Publication number
20020029451
Publication date
Mar 14, 2002
David P. Ollendick
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Pre-plating of wooden railroad ties
Publication number
20010034933
Publication date
Nov 1, 2001
Robert Ollendick
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES