Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870846 | Method and apparatus for embossing the inside surface of a cup-shaped article | John A. Kirpatrick | 1989-10-03 |
| 4785648 | Method and apparatus for embossing the inside surface of a cup-shaped article | John A. Kirkpatrick | 1988-11-22 |
| 4562719 | Method for drawing heavy wall shells with a multi-step inside edge | John A. Kirkpatrick | 1986-01-07 |
| 4559802 | Method for drawing heavy wall shells | John A. Kirkpatrick | 1985-12-24 |
| 4527413 | Apparatus for drawing heavy wall shells with a multi-step inside edge | John A. Kirkpatrick | 1985-07-09 |
| 4509356 | Method and apparatus for drawing heavy wall shells | John A. Kirkpatrick | 1985-04-09 |