David N. Crosthwait, Jr.
- Main Entry
- David N. Crosthwait, Jr.
- Patent Title
- One Pipe Heating System Regulating Plate
- Family Name
- Crosthwait
- Given Name
- David
- Middle Name
- N.
- Suffix
- Jr.
- Patent Date
- December 14, 1937
- Patent Number
- 2,102,197
- Location
- IA
- Multiple Patents
- This inventor has multiple patents some of which may not be listed. For additional patents for this inventor see http://www.uspto.gov/patft/index.html or http://www.google.com/patents.