logo

For the Inventor, By the Inventor

Bettendorf, IA, United States of America

Spring Steel Stands Inc.


USPTO Granted Patents = 3

Forward Citations = 4

Loading Chart...
Loading Chart...

1 inventor (with patents filed for the assignee):

goldMedal Jeffrey K Hartman (3 out of 30 patents)


3 patents:

1. 12002387 - Foldable sign holder (2024-06-04),
2. 10283021 - Sign holder (2019-05-07),
3. 10037718 - Sign post and sign system (2018-07-31),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#8 in Bettendorf, IA

#452 in Iowa

#71,951 in US

...
Bettendorf, IA, United States of America

Spring Steel Stands Inc.

Forward Citations = 4

1 inventor:

goldMedal Jeffrey K Hartman (3 out of 30 patents)

Please report any incorrect information to support@idiyas.com
Loading…