Assignee
Inventors
- Michael J. Shaffer (96 patents)
- Richard L. Bednar (82 patents)
- Steven Bednar (9 patents)
- Phillip Bednar (10 patents)
- Eric VanKeulen (14 patents)
- Unknown
- Robert Seymour (10 patents)
- Keith Bartels (16 patents)
US Patent 11428499 · Granted Aug 30, 2022