Title:
Fuel mileage calculator
United States Patent 2489030
US Patent References:
/0387070.html
- - 0387070
/0508435.html
- - 0508435
/0980867.html
- - 0980867
/1075124.html
- - 1075124
Counter for pulleys
- - 1563284
/0387070.html
- - 0387070
/0508435.html
- - 0508435
/0980867.html
- - 0980867
/1075124.html
- - 1075124
Counter for pulleys
- - 1563284
Inventors:
Herrick, Ralph R.
Publication Date:
11/22/1949
View Patent Images:
Export Citation:
Assignee:
Herrick, Ralph R.
Primary Class:
Other Classes:
235/61J
International Classes:
G06G1/00
US Patent References:
| 1656993 | Silent bridge bidding board |
Foreign References:
| GB241908A |