|
US5289796A
|
|
Bird feeder
|
|
US5213237A
|
|
Lock gate blade-type valve
|
|
US5139048A
|
|
Direct powered gate valve
|
|
CA1007206A
|
|
Flow control valve and control system therefor
|
|
CA988910A
|
|
Sealing arrangement for pivoted gate valves
|
|
US3907178A
|
|
Enclosed lock gate valve
|
|
CA993318A
|
|
Flow control valve and control system therefor
|
|
US3916949A
|
|
Enclosed gate valve
|
|
CA969159A
|
|
Sealing arrangement for pivoted gate valves
|
|
CA945959A
|
|
Gate valve
|
|
US3703950A
|
|
Apparatus for making embossing plates for the blind
|
|
GB1327112A
|
|
Valve for controlling the flow of flowable material
|
|
US3589670A
|
|
Gate valve
|
|
US3486139A
|
|
Reed switch arrangement for dc magnetic circuit
|
|
US3090452A
|
|
Percentage indicating scale
|
|
US3004662A
|
|
Foreign body detector
|
|
US1285550A
|
|
War-puzzle.
|
|
US1229013A
|
|
Garment-supporter.
|
|
US1206647A
|
|
Safety oar-lock.
|
|
US731264A
|
|
Metallic roofing.
|
