Invention Grant
- Patent Title: Swab
-
Application No.: US17756427Application Date: 1927-03-23
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Publication No.: US1656290APublication Date: 1928-01-17
- Inventor: QUINTRELL HARRY J
- Applicant: QUINTRELL HARRY J
- Assignee: Harry J Quintrell
- Current Assignee: Harry J Quintrell
- Priority: US17756427 1927-03-23
- Main IPC: E21B37/10
- IPC: E21B37/10
Public/Granted literature
- US20230007560A1 COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND PROGRAM Public/Granted day:2023-01-05
Information query
