|
US2528179A
|
|
Laterally shiftable gearing for lift mechanisms
|
|
US2611905A
|
|
Apparatus for handling patients
|
|
US1891555A
|
|
Mechanism for angular adjustment of the bowsprit of a sailboat
|
|
US1606262A
|
|
Alarm motor
|
|
US1533948A
|
|
Alarm-controlling device for sprinkler systems and the like
|
|
US1502879A
|
|
Air exhauster for dry-pipe sprinkler systems
|
|
US1558047A
|
|
Fire-controlling apparatus
|
|
US1474915A
|
|
Exhauster for dry-pipe systems
|
|
US1599186A
|
|
Valve device for sprinkler systems
|
|
US1397704A
|
|
Dry-pipe valve
|
|
US1199744A
|
|
Dry-pipe sprinkler system.
|
|
US1133320A
|
|
Packing-ring for pipe-fittings.
|
|
US1185544A
|
|
Supervisory alarm system.
|
|
US1185545A
|
|
Controlling apparatus for alarms.
|
|
US1114528A
|
|
Casing for alarm devices.
|
|
US1084710A
|
|
Fusible link.
|
|
US1052278A
|
|
Pipe-hanger.
|
|
US1051266A
|
|
Apparatus for operating alarms or other devices.
|
|
US1116328A
|
|
Apparatus for operating alarms or other devices.
|
|
US1033472A
|
|
Apparatus for operating alarms or other device
|
