Invention Grant
- Patent Title: Heating device
-
Application No.: US61922323Application Date: 1923-02-15
-
Publication No.: US1534575APublication Date: 1925-04-21
- Inventor: DONAT JOSEPH L
- Applicant: DONAT JOSEPH L
- Assignee: Joseph L Donat
- Current Assignee: Joseph L Donat
- Priority: US61922323 1923-02-15
Information query
