May 1921 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 May 1921
THE HOME OF THESCO PRODUCTS
Filed: May 31, 1921
FILTERS AND REFRIGERATORS
Owned by: C. SCHMIDT COMPANY, THE
Serial Number: 71148461
"BY" THE SIGN OF SERVICE
Filed: May 7, 1921
ELECTRIC-LIGHTING FIXTURES, ELECTRIC SADIRONS, AND ELECTRIC BATTERIES
Owned by: ROBERT J. BYINGTON
Serial Number: 71147338
FILTERLITE
Filed: May 4, 1921
ARTIFICIAL LIGHT
Owned by: HOLOPHANE GLASS CO. INC.
Serial Number: 71147197
