Buoys, Rafts, And Aquatic Devices Patents (Class 441)
- With signal device (Class 441/36)
- Having water reactant stabilizing means (Class 441/37)
- With shelter (Class 441/38)
- Having boarding aid (Class 441/39)
- Inflatable (Class 441/40)
- Having centrally located suspended basket (Class 441/43)
- Columnar flotation member (Class 441/44)
- Formed from log or other product (Class 441/47)
- Tossable apertured member (e.g., ring) (Class 441/81)
- For use over ice (Class 441/82)
- Air-sea rescue device (Class 441/83)
- Lifeline (Class 441/84)
- Buoyant shark screen encircling user (Class 441/86)
- Passenger enclosing bouyancy device (Class 441/87)
- Personal flotation device (Class 441/88)
- Convertible use article (Class 441/125)
