Invention Grant
- Patent Title: Pumping-jack multiplier, swing, and hold-up
- Patent Title (中): 泵 - 千斤顶乘数，摆动和滞留
-
Application No.: US15824726Application Date: 1926-12-31
-
Publication No.: US1792297APublication Date: 1931-02-10
- Inventor: GOBLE BERT G
- Applicant: W A QUIGLEY
- Assignee: W A Quigley
- Current Assignee: W A Quigley
- Priority: US15824726 1926-12-31
- Main IPC: E21B43/12
- IPC: E21B43/12
Public/Granted literature
- US20180080128A1 FEEDSTOCK AND METHODS OF MAKING FEEDSTOCK FOR COLD SPRAY TECHNIQUES Public/Granted day:2018-03-22
Information query
