Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5364131 | Quick-connect tubular coupling | Dale L. Hartsock, Fred Georg Schroeder, Claudia M. Anderson, Ronald G. Breuhan | 1994-11-15 | $10,061,000 |
| 4499646 | Method of attaching a metal shaft to a ceramic shaft and product produced thereby | Richard Allor | 1985-02-19 | $9,111,000 |
| 4485545 | Method of attaching a metal shaft to a ceramic shaft and product thereby | — | 1984-12-04 | $6,279,000 |