Paul B. ASPENGREN

Person

North Aurora, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Railroad car constant contact side bearing assembly
- Patent number 9,421,986
- Issue date Aug 23, 2016
- Miner Enterprises, Inc.
- Paul B. Aspengren
- B61 - RAILWAYS
Information Patent Grant
Railcar constant contact side bearing assembly
- Patent number 8,967,052
- Issue date Mar 3, 2015
- Miner Enterprises, Inc.
- Paul B. Aspengren
- B61 - RAILWAYS
Information Patent Grant
Railcar constant contact side bearing assembly
- Patent number 8,201,504
- Issue date Jun 19, 2012
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Grant
Constant contact side bearing assembly for a railcar
- Patent number 7,784,410
- Issue date Aug 31, 2010
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Grant
Elastomeric spring
- Patent number 7,338,034
- Issue date Mar 4, 2008
- Miner Enterprises, Inc.
- Paul B. Aspengren
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Constant contact side bearing assembly for a railcar
- Patent number 7,325,499
- Issue date Feb 5, 2008
- Miner Enterprises, Inc.
- Erik D. Jensen
- B61 - RAILWAYS
Information Patent Grant
Constant contact side bearing assembly for a railcar
- Patent number 7,275,487
- Issue date Oct 2, 2007
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Grant
Constant contact side bearing assembly for a railcar
- Patent number 7,152,534
- Issue date Dec 26, 2006
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Grant
Measuring tool
- Patent number D529828
- Issue date Oct 10, 2006
- Miner Enterprises, Inc.
- Paul B. Aspengren
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Constant contact side bearing assembly for a railcar
- Patent number 6,957,611
- Issue date Oct 25, 2005
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
RAILROAD CAR CONSTANT CONTACT SIDE BEARING ASSEMBLY
- Publication number 20140261065
- Publication date Sep 18, 2014
- Paul B. ASPENGREN
- B61 - RAILWAYS
Information Patent Application
RAILCAR CONSTANT CONTACT SIDE BEARING ASSEMBLY
- Publication number 20130327246
- Publication date Dec 12, 2013
- Paul B. ASPENGREN
- B61 - RAILWAYS
Information Patent Application
Railcar constant contact side bearing assembly
- Publication number 20110011301
- Publication date Jan 20, 2011
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Application
Constant contact side bearing assembly for a railcar
- Publication number 20080141896
- Publication date Jun 19, 2008
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Application
Elastomeric spring
- Publication number 20070069435
- Publication date Mar 29, 2007
- Paul B. Aspengren
- B60 - VEHICLES IN GENERAL
Information Patent Application
Constant contact side bearing assembly for a railcar
- Publication number 20070022900
- Publication date Feb 1, 2007
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Application
Constant contact side bearing assembly for a railcar
- Publication number 20050279245
- Publication date Dec 22, 2005
- Miner Enterprises, Inc.
- William P. O'Donnell
- B61 - RAILWAYS
Information Patent Application
Constant contact side bearing assembly for a railcar
- Publication number 20050223935
- Publication date Oct 13, 2005
- Erik D. Jensen
- B61 - RAILWAYS
Information Patent Application
CONSTANT CONTACT SIDE BEARING ASSEMBLY FOR A RAILCAR
- Publication number 20050183626
- Publication date Aug 25, 2005
- William P. O'Donnell
- B61 - RAILWAYS

Paul B. ASPENGREN

Person

Patents Grantslast 30 patents

Railroad car constant contact side bearing assembly

Railcar constant contact side bearing assembly

Railcar constant contact side bearing assembly

Constant contact side bearing assembly for a railcar

Elastomeric spring

Constant contact side bearing assembly for a railcar

Constant contact side bearing assembly for a railcar

Constant contact side bearing assembly for a railcar

Measuring tool

Constant contact side bearing assembly for a railcar

Patents Applicationslast 30 patents

RAILROAD CAR CONSTANT CONTACT SIDE BEARING ASSEMBLY

RAILCAR CONSTANT CONTACT SIDE BEARING ASSEMBLY

Railcar constant contact side bearing assembly

Constant contact side bearing assembly for a railcar

Elastomeric spring

Constant contact side bearing assembly for a railcar

Constant contact side bearing assembly for a railcar

Constant contact side bearing assembly for a railcar

CONSTANT CONTACT SIDE BEARING ASSEMBLY FOR A RAILCAR