US4322259A
|
|
Method of making a reinforced vacuum cleaner filter bag
|
US3907530A
|
|
Vacuum cleaner filter bag
|
US3859064A
|
|
Double-wall vacuum cleaner filter bag
|
US3404515A
|
|
Vacuum cleaner filter bag
|
US3392906A
|
|
Vacuum cleaner filter bag
|
US3416721A
|
|
Disposable vacuum cleaner bag
|
US3350859A
|
|
Vacuum cleaner filter bag
|
US3417550A
|
|
Disposable vacuum cleaner filter bag
|
US3362302A
|
|
Bag closure
|
US3370405A
|
|
Vacuum cleaner filter bags and method of manufacturing same
|
US3283481A
|
|
Filter bag for vacuum cleaners and collar therefor
|
US3297232A
|
|
Vacuum cleaner filter bag
|
US3322041A
|
|
Method of manufacturing vacuum cleaner filter bags
|
US3350857A
|
|
Vacuum cleaner filter bag
|
US3330100A
|
|
Vacuum cleaner filter bag
|
US3297231A
|
|
Disposable filter bag
|
US3370406A
|
|
Vacuum cleaner filter bag
|
US3330099A
|
|
Vacuum cleaner filter bag
|
US3276192A
|
|
Disposable filter bag
|
US3273322A
|
|
Disposable vacuum cleaner bag
|