GR1340B
(en )
1926-12-15
PERFECTIONS IN EXPANSION SYSTEMS.
GR1386B
(en )
1927-01-04
PERFECTIONS IN EXPANSION SYSTEMS.
GR1261B
(en )
1926-08-09
PERFECTIONS IN SEMATOGRAPHY SYSTEMS.
GR1339B
(en )
1926-11-13
PERFECTIONS IN EXPANDING SYSTEMS.
GR942B
(en )
1925-06-13
PERFECTIONS IN SEMATOLOGY SYSTEMS.
GR1384B
(en )
1926-12-31
PERFECTIONS IN AUTOMOBILE CENTER SYSTEMS.
GR1385B
(en )
1926-12-31
PERFECTIONS IN AUTOMOBILE CENTER SYSTEMS.
GR668B
(en )
1924-07-27
PERFECTIONS IN RADIOGONOMETERS.
GR1060B
(en )
1925-11-21
PERFECTIONS IN RADIOGONOMETERS.
GR1621B
(en )
1927-09-30
PERFECTIONS IN AUTOMATIC TELEPHONE SYSTEMS.
GR1677B
(en )
1927-12-02
PERFECTIONS IN AUTOMATIC TELEPHONE SYSTEMS.
DK38811C
(en )
1928-05-29
Airplane.
GR1380B
(en )
1926-12-21
PERFECTIONS IN PUSH TRANSMISSIONER FOR USE ON PHONES OR SIMILAR SYSTEMS.
CH121236A
(en )
1927-07-01
Ungifune.
CH122029A
(en )
1927-08-16
Kötzerspulmaschine.
GR1088B
(en )
1925-12-31
PERFECTIONS IN CARS.
GR1274B
(en )
1926-09-13
PERFECTIONS IN THE MANUFACTURE OF SHIPS.
GR1312B
(en )
1926-12-16
PERFECTIONS IN AUTOMATIC PHONE SYSTEMS.
GR1150B
(en )
1926-03-26
PERFECTIONS IN CARBURATORS
GR3206B
(en )
1931-05-22
PERFECTIONS IN RADIOSIGNALIZATION SYSTEMS.
GR1866B
(en )
1928-06-08
PERFECTIONS IN AUTO TELEPHONY SYSTEMS.
GR1281B
(en )
1926-09-20
PERFECTIONS IN THE PRODUCERS AFTER LAMPS.
GR1377B
(en )
1926-12-31
PERFECTIONS IN AUTOMATIC MUTOR FOR TELEPHONE SYSTEMS.
ES98681A1
(en )
1926-09-16
Improvements in airplanes.
GR1166B
(en )
1926-04-16
PERFECTIONS IN THE WARMER FOR MIXING.