For the Inventor, By the Inventor

Enter assignee name

Pittsburgh, PA, United States of America

Spang & Company

USPTO Granted Patents = 23

Trademarks = 10

Forward Citations = 650

Loading Chart...

Loading Chart...

9 inventors (with patents filed for the assignee):

Peter C Hill (8 out of 21 patents)

John Michael Underbrink (6 out of 16 patents)

Ernest L Thornell (4 out of 7 patents)

4. Joseph F Huth, Iii (3 out of 4 patents)

5. Mary K Litwicki (2 out of 2 patents)

6. Mark A Fanton (1 out of 1 patent)

7. Robert W Olmsted (1 out of 2 patents)

8. Tony R Maness (1 out of 6 patents)

9. Donald F Cattoni (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 6858155 - Ferrite materials, methods of preparing the same, and products formed therefrom (2005-02-22),

2. D489155 - Outdoor station with sink and foldable faucet (2004-04-28),

3. 6611972 - Sink with foldable faucet assembly and multiple-purpose support structure (2003-09-02),

4. D474900 - Convertible table and easel (2003-05-28),

5. D461941 - Serving cart with sink and foldable faucet (2002-08-21),

6. D461880 - Wall-mounted sink with foldable faucet (2002-08-21),

7. 6283546 - Multi-position chair (2001-09-04),

8. D431620 - Basketball goal (2000-10-03),

9. D430747 - Seat apparatus (2000-09-12),

10. D428272 - Multi-position chair (2000-07-18),

11. 6089663 - Video game accessory chair apparatus (2000-07-18),

12. D427789 - Video game accessory chair apparatus (2000-07-11),

13. D426586 - Toy beauty center (2000-06-13),

14. 5106150 - Roof structure for toy vehicle (1992-04-21),

15. D323193 - Toy car (1992-01-14),

Spang & Company is a leading provider of innovative and high-quality construction services. With years of experience and a dedication to customer satisfaction, we specialize in commercial and residential projects, including renovations, new construction, and more. Our team of experts is committed to delivering superior results on time and within budget. Contact us today to learn more about how we can bring your vision to life.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

23 Patents

#89 in Pittsburgh, PA

#526 in Pennsylvania

#13,928 in US

#26,802 in the World

Pittsburgh, PA, United States of America

Spang & Company

Forward Citations = 650

9 inventors:

Peter C Hill (8 out of 21 patents)

John Michael Underbrink (6 out of 16 patents)

Ernest L Thornell (4 out of 7 patents)

4. Joseph F Huth, Iii (3 out of 4 patents)

5. Mary K Litwicki (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…