Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036416 | Hole punch quick-change die assembly with pin strap and positioning system | Wayne Malmstrom | 2006-05-02 |
| 6789453 | Fine-tunable paper stop for paper punching machine | — | 2004-09-14 |
| 6748839 | Hole punch quick-change die assembly with positioning system | Wayne Malmstrom | 2004-06-15 |
| 6651540 | Hole punch quick-change die assembly with pin strap and positioning system | Wayne Malmstrom | 2003-11-25 |
| 6536321 | Hole punch quick-change die assembly with clamp system | Wayne Malmstrom | 2003-03-25 |
| 6363826 | Hole punch quick-change die assembly with pin strap and positioning system | Wayne Malmstrom | 2002-04-02 |
| 6047623 | Hole punch quick-change die assembly with pin strap and positioning system | Wayne Malmstrom | 2000-04-11 |
| 5550333 | Reduced noise trailerable engine | — | 1996-08-27 |
| 5489150 | Mortar mixer frame having integral hydraulic fluid reservoir with means for cooling the hydraulic fluid | — | 1996-02-06 |
| 5454679 | Wire element bindery press | — | 1995-10-03 |
| 5452980 | Electric loop wire bindery press | — | 1995-09-26 |
| RE34505 | Motar mixing drum | — | 1994-01-11 |
| 5118198 | Cement mixing apparatus with cradle support assembly | — | 1992-06-02 |
| 5061077 | Knock out paddle shaft for mixing machines | — | 1991-10-29 |
| 4943264 | Centrifugal clutch with belt tightening spacer assembly | — | 1990-07-24 |
| 4895277 | Foot operated mortar drum latch assembly | — | 1990-01-23 |
| 4878779 | Riding power trowel | — | 1989-11-07 |
| 4877327 | Mortar mixing drum | — | 1989-10-31 |
| 4850723 | Bearing and seal assembly for motor mixer | — | 1989-07-25 |
| 4811617 | Unidirectional to bidirectional angular displacement conversion apparatus | — | 1989-03-14 |
| 4743221 | Centrifugal clutch belt tightening assembly | — | 1988-05-10 |
| 4673311 | Concrete finishing machine having counterbalanced blade pitch adjustment apparatus | — | 1987-06-16 |
| 4527959 | Drilling fluid pump providing a uniform, controlled pressure and flow rate | — | 1985-07-09 |
| 4312603 | Twin trowel cement finishing machine | — | 1982-01-26 |