Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892854 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts | 2005-05-17 |
| 6550573 | Muffler with catalytic converter arrangement, and method | Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts | 2003-04-22 |
| 5828013 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts | 1998-10-27 |
| 5426269 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts, John S. Wiese +1 more | 1995-06-20 |
| 5355973 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts | 1994-10-18 |
| 5101095 | Diesel engine gas filter with electrical heater | Wayne M. Wagner, Eugene Wilson, Ed Steinbrueck | 1992-03-31 |
| 5053603 | Electrical resistance heater | Wayne M. Wagner, Eugene Wilson, Ed Steinbrueck | 1991-10-01 |
| 4899540 | Muffler apparatus with filter trap and method of use | Wayne M. Wagner | 1990-02-13 |
| 4878928 | Apparatus for increasing regenerative filter heating element temperature | Wayner M. Wagner | 1989-11-07 |
| 4851015 | Muffler apparatus with filter trap and method of use | Wayne M. Wagner, Edward A. Steinbrueck, Bruce Hoppenstedt | 1989-07-25 |
| 4832661 | Apparatus and method for maintaining alternator output above predetermined levels | Wayne M. Wagner | 1989-05-23 |
| 4790574 | Apparatus for coupling tubular members | Wayne M. Wagner, Gary J. Rocklitz, Timothy A. Bethke | 1988-12-13 |