E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Rotary earth drill with fluid pressure feed
Spring loaded adapter for drill rods and core barrel
LandOfFree
Jr. William L. Acker does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jr. William L. Acker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jr. William L. Acker will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-659711