|
QUANTUM
|
|
United States Patent and Trademark Office
|
7
|
1988-08-30
|
2009-05-16
|
historic |
details
|
|
OIL GARD
|
|
United States Patent and Trademark Office
|
9
|
1986-07-01
|
2007-04-07
|
historic |
details
|
|
SYSTEM 3
|
|
United States Patent and Trademark Office
|
12
|
1985-08-06
|
1992-01-13
|
historic |
details
|
|
I/C
|
|
United States Patent and Trademark Office
|
7
|
1984-10-23
|
2020-03-20
|
historic |
details
|
|
QUIET POWER
|
|
United States Patent and Trademark Office
|
7
|
1984-02-21
|
2004-11-27
|
historic |
details
|
|
SYSTEM 4
|
|
United States Patent and Trademark Office
|
7
|
1982-08-10
|
2003-05-17
|
historic |
details
|
|
CHOKE-A-MATIC
|
|
United States Patent and Trademark Office
|
7
|
1966-07-26
|
2012-06-04
|
historic |
details
|
|
KOOL - BORE
|
|
United States Patent and Trademark Office
|
7
|
1963-02-05
|
|
historic |
details
|
|
EASY-SPIN
|
|
United States Patent and Trademark Office
|
7
|
1962-10-30
|
2016-04-01
|
historic |
details
|
|
OIL-FOAM
|
|
United States Patent and Trademark Office
|
11
|
1962-09-18
|
2003-06-21
|
historic |
details
|
|
|
|
United States Patent and Trademark Office
|
6
|
1957-01-15
|
|
historic |
details
|
|
BRIGGS & STRATTON
|
|
United States Patent and Trademark Office
|
6
|
1951-06-05
|
|
historic |
details
|
