logo

For the Inventor, By the Inventor

Pasadena, CA, United States of America

Q Step Technologies, Inc.


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 360

Loading Chart...
Loading Chart...

3 inventors (with patents filed for the assignee):

goldMedal Dale E Winther (3 out of 7 patents)

silverMedal Walter K Proniewicz (1 out of 2 patents)

bronzeMedal Ernest P Chock (1 out of 3 patents)


3 patents:

1. 7377643 - Method and apparatus for eye imaging with position registration and constant pupil size (2008-05-27),
2. 7167736 - Non-invasive measurement system and method for measuring the concentration of an optically-active substance (2007-01-23),
3. 6853854 - Noninvasive measurement system (2005-02-08),
logo

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#130 in Pasadena, CA

#16,817 in California

#73,706 in US

Pasadena, CA (US)
Pasadena, CA, United States of America

Q Step Technologies, Inc.

Forward Citations = 360

3 inventors:

goldMedal Dale E Winther (3 out of 7 patents)

silverMedal Walter K Proniewicz (1 out of 2 patents)

bronzeMedal Ernest P Chock (1 out of 3 patents)

Please report any incorrect information to [email protected]
Loading…