May 1917 Chemicals 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 |
Chemicals Trademarks filed in May 1917
AIRCO
Filed: May 28, 1917
OXYGEN,ACETYLENE, AND NITROGEN
Owned by: AIRCO, INC.
Serial Number: 71104111
BLACK AND WHITE
Filed: May 7, 1917
OINTMENTS FOR MEDICINAL USE IN THE TREATMENT OF SKIN DISEASES
Owned by: PLOUGH, INC.
Serial Number: 71103585
