Manually connectable flexible coupling

Marine propeller bushing coupling

Means for securing an observation instrument to a supporting sta

Means for the securing, in a cylindrical member, of a circular d

Method and apparatus for repair of windshield wiper blade guide

Method and device for lining chambers and galleries

Method for coupling axially aligned tunnel sections and apparatu

Method of and apparatus for mounting a mirror to a rotatable sha

Method of and device for anchoring a reinforcement beam to a she

Modular robot having an adaptable configuration

Modular toy building units

Molded plastic article assembly means

Molecular models

Mounting device for fixedly fastening a pile to a sheet piling

Multilayer direct-positive photographic material and process for

Multipartite protective device for universal joint shafts