|
US2555117A
|
|
Method of transferring glassware from mold tables
|
|
US2634552A
|
|
Take-out device for glass blowing machines
|
|
US2334684A
|
|
Intermittent drive mechanism
|
|
US2203385A
|
|
Lehr feeder
|
|
US2115594A
|
|
Draft control for lehrs
|
|
US2101675A
|
|
Electric furnace
|
|
US2014615A
|
|
Method of controlling current flow in an electric furnace and electrode apparatus therefor
|
|
US2000278A
|
|
Electric furnace
|
|
US2008495A
|
|
Process of electrically melting and refining glass and apparatus therefor
|
|
US2018884A
|
|
Electric glass furnace
|
|
US2018883A
|
|
Method and apparatus for melting material in an electric furnace
|
