CS

Charles D. Spragg

BT Bridgestone Firestone North American Tire: 8 patents #13 of 133Top 10%
BR Bridgestone/Firestone Research: 6 patents #8 of 54Top 15%
Bridgestone: 3 patents #795 of 2,860Top 30%
BF Bridgestone Firestone: 3 patents #57 of 276Top 25%
📍 Hudson, OH: #41 of 536 inventorsTop 8%
🗺 Ohio: #3,336 of 73,341 inventorsTop 5%
Overall (All Time): #226,086 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
6834696 Runflat tire with cantilever-like sidewall construction Martin A. Yurjevich, Stephen M. Vossberg, James M. Kirby 2004-12-28
6769294 Method of determining potential cause of tire failure by measuring the tire temperature achieved during operating conditions Martin A. Yurjevich, James M. Kirby, Andrew K. Reinhart 2004-08-03
6598634 Cured tire including encapsulated high modulus composite Russell W. Koch, Edward G. Markow, James M. Kirby 2003-07-29
6470937 Run flat pneumatic tire and anticlastic band element therefor Stephen M. Vossberg, James M. Kirby, Edward G. Markow 2002-10-29
6460586 Multi-region band element for run flat tire James M. Kirby, Edward G. Markow 2002-10-08
6439288 Pneumatic tire with variable thickness band element Stephen M. Vossberg, James M. Kirby, Edward G. Markow 2002-08-27
6436215 Band element for pneumatic tire and method of making same James M. Kirby, Edward G. Markow 2002-08-20
6420005 Band element for pneumatic tire James M. Kirby, Edward G. Markow 2002-07-16
6405773 Run flat pneumatic tire and band element therefor Stephen M. Vossberg, Edward G. Markow 2002-06-18
6363986 Band element and method for building same for a run flat banded tire James M. Kirby, Edward G. Markow 2002-04-02
6321808 Expandable band for run flat tire and method of making James M. Kirby, Edward G. Markow 2001-11-27
6260593 Race tire containing band element Gregory D. Chaplin, Dale R. Harrigle, Jr., James M. Kirby 2001-07-17
6148885 Pneumatic tire with band element James M. Kirby, Edward G. Markow 2000-11-21
6117258 Band element and method for building same for a run flat banded tire James M. Kirby, Edward G. Markow 2000-09-12
6112791 Pneumatic tire with band element having tapered end portions James M. Kirby, Edward G. Markow 2000-09-05
5879484 Run flat banded pneumatic tire Edward G. Markow, Thomas W. Bell 1999-03-09
5769980 Pneumatic tire with sidewall inserts having specified extension underneath the belt package Thomas W. Bell, William L. Hergenrother, James M. Kirby 1998-06-23
5267847 Compact precision extrusion system Georg G. A. Bohm, Arthur W. Greenstreet, Gregory D. Chaplin 1993-12-07
5156781 Compact precision extrusion method Georg G. A. Bohm, Arthur W. Greenstreet, Gregory D. Chaplin 1992-10-20
4918017 Screen assembly for screening elastomeric material Arthur W. Greenstreet, Gerardo P. Elia 1990-04-17