February 1921 Nonmetallic building materials 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 |
Nonmetallic building materials Trademarks filed in February 1921
SHEETROCK
Filed: February 10, 1921
Plaster Wall Board
Owned by: UNITED STATES GYPSUM COMPANY
Serial Number: 71143414
