Forward Citations = 29

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7 inventors (with patents filed for the assignee):

James A Whisenhunt (1 out of 5 patents)

Brian R Lefebure (1 out of 13 patents)

Paul W Mitchell (1 out of 2 patents)

4. Paul A Stamper (1 out of 1 patent)

5. Matthew T Vogel (1 out of 1 patent)

6. Ronald W Chaffin (1 out of 1 patent)

7. David H Wescoat (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5635227 - Replaceable air cylinder unit and valve gate for injection molding (1997-06-03),

2. 5496166 - Highly accurate position adjustment mechanism for the mold sections of (1996-03-05),

3. 5454707 - Non-scuffing, non-sticking blow core for stretch blow molding machines (1995-10-03),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#5 in Lee's Summit, MO

#1,028 in Missouri

#73,860 in US

Lee's Summit, MO, United States of America

R & D Tool and Engineering, Inc.

Forward Citations = 29

7 inventors:

James A Whisenhunt (1 out of 5 patents)

Brian R Lefebure (1 out of 13 patents)

Paul W Mitchell (1 out of 2 patents)

4. Paul A Stamper (1 out of 1 patent)

5. Matthew T Vogel (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: R & D Tool and Engineering, Inc.. Retrieved from https://idiyas.com/company/r-and-d-tool-and-engineering

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]