Diameter 3" (76mm)
(cap embossed) US PAT 3,024,303 "OB logo"
Picture courtesy Mid Norris |
Diameter 3" (76mm)
(cap embossed) US PAT 3,024,303 "OB logo"
Picture courtesy Mid Norris |
ST-4077: USA
Diameter 3" (76mm)
(cap embossed) US PAT 3,024,303 "OB logo"
Picture courtesy Mid Norris |
Diameter 3" (76mm)
(cap embossed) US PAT 3,024,303 "OB logo"
Picture courtesy Mid Norris |
Original ST number assignment by Raven Kotlarsky and Steve Coffman
