This CD is packed with detailed, print-and-frame-ready images and is loaded with valuable and fascinating information that will be of great interest and use to:

• collectors and hobbyists
• inventors
• dealers and historians
• the curious
• the knowledge-hungry
• students
• teachers and educators
• club members and friends
• and others!

Sample Titles of Patented Inventions on this CD :
Air feed peck drill with pneumatic safety system
Ergonomic handle for a pneumatic drill
Hybrid pneumatic percussion rock drill
Method of forming consolidating earth columns by injection, the relevant plant with double chamber pneumatic hammer boring drill and the resulting column
Muffler for pneumatic drill
Pneumatic and hydraulic power control of drill
Pneumatic drill
Pneumatic drill hammer
Pneumatic drill lubricator
Pneumatic drill with central evacuation outlet
Pneumatic evacuator-filler for grain drill hopper
Pneumatic impact damping device for a drill column
Pneumatic percussion drill with exhaust cooling and lubrication of chuck end
Pneumatic power drill
Pneumatic rock drill
Pneumatic rock drill with peripheral piston clearance space
Pneumatic spot weld drill
Pneumatic transport device particularly for single-seed seed drill
Pneumatic-hydraulic drill unit
Sound-proofing casing for a pneumatic percussive drill
Variable volume pneumatic drill

¹ CD contains approximately the number of patents indicated above.
² Total number of pages based on a conservative average of 6 pages per patent. Number of pages is not guaranteed, although in most cases, the number of pages on the CD will greatly exceed this estimate.