Forty-one distinct inventions relating to the phonograph, covering various forms of recorders, arrangement of parts, making of records, shaving tool, adjustments, etc.

The inventor, Thomas J. Campana Jr., was granted several patents covering his inventions related to the practical implementation of wireless e-mail.

This invention relates to network switches for computer systems, and more particularly to a manner in which network switches are laid out.

(US 20080037214) This invention relates generally to a chassis for a computer system and in particular to a chassis that can accommodate multiple servers and that has a tight form factor.

The common general knowledge "is the common knowledge in the field to which the invention relates."

More specifically, this invention relates to a four barrel break-open firearm which has a minimum number of working parts, is simple to operate even by inexperienced personnel, and is economical to manufacture.

Kubler states that an artistic invention does not relate to previous solutions in a formal sequence as readily as a useful invention will.

United States Patent 5441133 - This hydraulic damper has a leaf valve stopper, the patented invention relates to a hydraulic damper.

The invention relates to a friction disk drive transmission for automobiles that is gearless.

Paraskevakos' most notable inventions relate to the transmission of electronic data through telephone lines which formed the original basis for what is now known as Caller ID.