August 1931 Electrical and scientific apparatus Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
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| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
Electrical and scientific apparatus Trademarks filed in August 1931
EMCORECTOR
Filed: August 22, 1931
PRESSURE CORRECTING GAS METERS
Owned by: PITTSBURGH
Serial Number: 71318322
DEGUSSA
Filed: August 20, 1931
DRAWING INSTRUMENTS, LABORATORY FITTINGS COMPRISING LABORATORY GLASSWARE AND PORCELAIN WARE AND LABORATORY RACKS, CLAMPS…
Owned by: DEUTSCHE GOLD & SILBER-SCHEIDEANSTALT
Serial Number: 71318220
DEGUSSA
Filed: August 20, 1931
ARMATURES; INSULATION MATERIALS FOR ELECTRIC WIRES, ELECTRIC FANS, ELECTRIC SIGNS, ELECTRIC BELLS, ELECTRIC LIGHTING PLANTS…
Owned by: OTIS ELEVATOR COMPANY
Serial Number: 71318234
