Patented August 28, 1934
If an object in your hands says PAT. AUGUST 28, 1934, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,971,797 | LOCK | Lyle B. Shinn | Chicago, Illinois |
Three centuries of keeping things shut
If an object in your hands says PAT. AUGUST 28, 1934, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,971,797 | LOCK | Lyle B. Shinn | Chicago, Illinois |