US Patent: 715,582
|
| Test Indicator
|
|
Patentees:
|
| Fredric B. Jacobs (exact or similar names) - Quincy, MA |
| Harold D. Waterhouse (exact or similar names) - Quincy, MA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Oct. 09, 1902 |
| Granted: |
Dec. 09, 1902 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Henry W. Williams - patent attorney |
|