Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655925 | Air compressor manifold assembly | David W. Robenalt, Dave C. Smith, Robert F. Burkholder, Crandall B. Barbour, Mike Davis +1 more | 2003-12-02 |
| 6558135 | Two stage oil free air compressor | — | 2003-05-06 |
| 6532990 | Air compressor assembly including a lifting handle | Robert F. Burkholder, Crandall B. Barbour, Mike Davis, Fred M. Morgan, David W. Robenalt +1 more | 2003-03-18 |
| 6532991 | Air compressor assembly including a handle capable of attaining a plurality of positions | Crandall B. Barbour, David W. Robenalt | 2003-03-18 |