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Elmhurst, IL, United States of America

Marianne L Krbec

USPTO Granted Patents = 7

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 41(Granted Patents)

Location History:

Elmhursts, IL (US) (2002)
Elmhurst, IL (US) (1999 - 2010)

Company Filing History:

Wabtec Holding Corporation

Westinghouse Air Brake Technologies Corporation

Westinghouse Air Brake Company

4. 1 out of 832,761

Other

patents

Years Active: 1999-2010

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7654040 - Unlock mechanism for a rotary door operator (2010-02-02),

2. 7210268 - Unlock mechanism for a rotary door operator (2007-05-01),

3. 7017974 - Rotary door operator (2006-03-28),

4. 6948765 - Lock mechanism for a rotary door operator (2005-09-27),

5. 6357362 - Apparatus to accommodate ground level and platform boarding of a transit vehicle (2002-03-19),

6. 6026697 - Self aligning drive nut bracket (2000-02-22),

7. 5893236 - Power operator for sliding plug doors (1999-04-13),

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