Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142257 | Oil pickup tube for internal combustion engine | Glen Eifert | 2000-11-07 |
| 6105548 | Mounting apparatus for an engine and transmission | Robert B. Carlson, Glen Eifert, William W Doolittle, III | 2000-08-22 |
| 5894715 | Mounting apparatus for connecting a power head to a device | Michael Braun, Gary S. Johnson | 1999-04-20 |
| 5819513 | Power head assembly for electric grass cutting device | Michael Braun, Gary S. Johnson | 1998-10-13 |
| 5619845 | Battery-powered lawn cutting system | Paul A. Tharman, John A. Fiorenza, II, Joseph L. Pfaff, Richard A. Dykstra, William H. Reitman | 1997-04-15 |
| 5606851 | Battery-powered lawn cutting system | Paul A. Tharman, John A. Fiorenza, II, Joseph L. Pfaff, Richard A. Dykstra, William H. Reitman | 1997-03-04 |
| D375963 | Power head for a cordless electric lawnmower | Michael Braun, Eric Fickas, Eileen Scharenbroch, Kipp K. Stevens | 1996-11-26 |
| 5282397 | Engine balancing system having at least one pivoting counterbalance weight | Joseph R. Harkness, William R. Frank | 1994-02-01 |
| 4819593 | Pivoting balancer system | Joseph R. Harkness, Norbert Vogl, Glen Eifert | 1989-04-11 |