Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D294583 | Tender | John E. Blumer | 1988-03-08 |
| 4629163 | Jack for cylindrical tank | Timothy L. Miller | 1986-12-16 |
| D279921 | Washdown sprayer tank | John E. Blumer, Arthur F. Linsenmeyer | 1985-07-30 |
| 4367848 | Spreader | Arthur F. Linsenmeyer | 1983-01-11 |