You see how the United States Has a (19) in brackets. What do that mean? I see on othet patents the United States patent is also (19) and inventor is also matched up with (76) or (75) and invention titles bracket with (54). Do this has a special meaning? I just want to know ever inch of patents & there meaning.
These are INID numbers, which most countries use to identify the nature of each field in a patent publication. These are defined in WIPO standard ST.9.
For example, 19 refers to the identifier of the office publishing the document.