Gas cap assembly
Gas cap assembly with retainer means
Gas cap with automatic pressure compensation
Gas cap with break-away portion
Gas cap with clamp-in roll-over valve
Gas collecting tensioned reservoir cover
Gas stopper and methods of constructing and utilizing same
Gas tank cap with roll-over valving
Gas venting floating cover
Gas venting for floating cover
Gasket and tank opening-closing device
Gasket for sealing material storage drum
Gasket for use in a container
Gasket for yarn spinning pack
Gasket valve
Gasket with a self-supporting protrusion
Gasketed flange sealer
Gasketed hatch cover
Gasketless drum
Gasketless well casing cap