Growing community of inventors

Colorado Springs, CO, United States of America

Robert Charles Stadjuhar, Jr

Average Co-Inventor Count = 1.35

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 86

Robert Charles Stadjuhar, JrAllan Clarkson Greist (2 patents)Robert Charles Stadjuhar, JrDouglas Earl Stoyer (1 patent)Robert Charles Stadjuhar, JrMike Rose (1 patent)Robert Charles Stadjuhar, JrVance Franklin Brown (1 patent)Robert Charles Stadjuhar, JrGene Daigle (1 patent)Robert Charles Stadjuhar, JrCharles Lee Lindsey (1 patent)Robert Charles Stadjuhar, JrEugene Daigle (1 patent)Robert Charles Stadjuhar, JrRobert Charles Stadjuhar, Jr (9 patents)Allan Clarkson GreistAllan Clarkson Greist (2 patents)Douglas Earl StoyerDouglas Earl Stoyer (2 patents)Mike RoseMike Rose (2 patents)Vance Franklin BrownVance Franklin Brown (2 patents)Gene DaigleGene Daigle (1 patent)Charles Lee LindseyCharles Lee Lindsey (1 patent)Eugene DaigleEugene Daigle (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Skyline Products, Inc. (4 from 13 patents)

2. Other (3 from 832,912 patents)

3. Skyline Corporation (2 from 4 patents)


9 patents:

1. 10289429 - Multiple sign controller system using multiple virtual sign controllers

2. 10078975 - Highway variable message sign with apertures

3. 9343000 - Fine pitch full color variable message sign

4. 8972284 - System and method for controlling outdoor signs

5. 8446293 - Traffic sign system that uses the national transportation communications for intelligent systems protocol

6. 7716861 - Outdoor display sign

7. 7556403 - Hooded face plate for a message and display sign

8. 6596059 - Automated filter changing device and method

9. 6012210 - Light emitting diode jig

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as of
1/10/2026
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