Ira James Crisp

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for transporting and steering a heavy load
- Patent number 10,358,876
- Issue date Jul 23, 2019
- Columbia Trailer Co., Inc.
- Steven Andrew Csergei
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for transporting and steering a heavy load
- Patent number 10,246,946
- Issue date Apr 2, 2019
- Columbia Trailer Co., Inc.
- Ira James Crisp
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Low profile walking machine and method of operation
- Patent number 9,132,871
- Issue date Sep 15, 2015
- Columbia Trailer Co., Inc.
- Ira Crisp
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR TRANSPORTING AND STEERING A HEAVY LOAD
- Publication number 20170022765
- Publication date Jan 26, 2017
- COLUMBIA TRAILER CO., INC.
- Steven Andrew Csergei
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR TRANSPORTING AND STEERING A HEAVY LOAD
- Publication number 20160280524
- Publication date Sep 29, 2016
- COLUMBIA TRAILER CO., INC.
- Ira James Crisp
- E21 - EARTH DRILLING MINING
Information Patent Application
LOW PROFILE WALKING MACHINE AND METHOD OF OPERATION
- Publication number 20140271094
- Publication date Sep 18, 2014
- COLUMBIA INDUSTRIES LLC
- Ira Crisp
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS