Assignee
No assignee recorded.
Inventors
- Barth R. Pitchford (10 patents)
- John H. Pitchford (4 patents)
- William D. Pitchford (10 patents)
- Donald S. Pitchford (6 patents)
- Steven Nagel (8 patents)
- Benedict J. Nardi (8 patents)
- Russell S. Smith (8 patents)
- Robert Paul Simon (10 patents)