Invention Grant
- Patent Title: Pump for refrigerating apparatus
- Patent Title (中): 制冷机泵
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Application No.: US21777427Application Date: 1927-09-06
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Publication No.: US1761036APublication Date: 1930-06-03
- Inventor: GREENWALD HAROLD A
- Applicant: THOMAS C WHITEHEAD
- Assignee: Thomas C Whitehead
- Current Assignee: Thomas C Whitehead
- Priority: US21777427 1927-09-06
- Main IPC: F25B31/00
- IPC: F25B31/00
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