Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421985 | Dunnage pad production and packaging system | James A. Simmons, Richard O. Ratzel | 2002-07-23 |
| 6416451 | Output chute for cushioning conversion machine | Richard O. Ratzel, Dirk Johannes Siekmann, Edward W. Lintala | 2002-07-09 |
| 6217501 | Cushioning conversion machine | James A. Simmons | 2001-04-17 |
| 6200251 | Cushioning conversion machine and method | Richard O. Ratzel, Thomas E. Manley, Theo Corthout, Roger P. M. Rinkens, Pieter Fennema | 2001-03-13 |
| 6174273 | Cushioning conversion machine with tension control | — | 2001-01-16 |
| 6019715 | Cushioning conversion machine and method | Richard O. Ratzel, Michael J. Lencoski, James A. Simmons, Donald J. Barnhouse | 2000-02-01 |
| 5989176 | Output chute for cushioning conversion machine | Richard O. Ratzel, Dirk Johannes Siekmann, Edward W. Lintala | 1999-11-23 |
| 5871429 | Cushioning conversion machine including a probe for sensing packaging requirements | Richard O. Ratzel | 1999-02-16 |
| 5864484 | Cushioning conversion machine | — | 1999-01-26 |
| 5829231 | Automated cushioning producing and filling system | Richard O. Ratzel, James A. Simmons | 1998-11-03 |
| 5052882 | Apparatus and method for controllably positioning forks of a material handling vehicle | Andrew P. Blau, Paul D. Grohsmeyer, Darren L. Krahn | 1991-10-01 |
| 4823901 | Apparatus and method for detecting faults in an obstacle detection system | — | 1989-04-25 |
| 4792995 | Bidirectional roller deck control for a self guided vehicle | — | 1988-12-20 |
| 4740778 | Apparatus for detecting a failed resolver | Victor E. Noviski | 1988-04-26 |
| 4722410 | Obstacle detection apparatus | Grant C. Melocik | 1988-02-02 |