Growing community of inventors

Castle Rock, CO, United States of America

Mark A Betker

Average Co-Inventor Count = 1.33

ph-index = 4

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 = 90

Mark A BetkerJeff H Hilger (2 patents)Mark A BetkerMark A Betker (4 patents)Jeff H HilgerJeff H Hilger (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koala Corporation (4 from 16 patents)


4 patents:

1. 6269503 - Diaper changing station with prerecorded voice instructions

2. 5987677 - Counter-top mounted infant changing station

3. 5927805 - Stackable children's high-chair

4. 5906015 - Wall-mounted infant changing station

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…