July 1929 Environmental control apparatus Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 |
Environmental control apparatus Trademarks filed in July 1929
RAYTHEON
Filed: July 18, 1929
[ VACUUM TUBES, VALVES, ] PHOTO-ELECTRIC CELLS [ AND TELEVISION LAMPS ]
Owned by: RAYTHEON COMPANY
Serial Number: 71287311
ELJER
Filed: July 8, 1929
PLUMBING FIXTURES-NAMELY, FLUID-CONTROL VALVES, CLOSETS, TANKS, URINALS, LAVATORIES, BIDETTES, RECEPTORS, BATHS, SHOWERS…
Owned by: ELJER COMPANY
Serial Number: 71286748
