Synchronizing device for free piston engines
United States Patent 2876751
Inventors:
Kolthoff Jr., Paul C.
Publication Date:
03/10/1959
Assignee:
INT HARVESTER CO
Other Classes:
123/46B, 92/136, 92/69R, 92/152
International Classes:
F01B9/04; F01B11/00; F01B9/00