I also discovered the "single finger pattern" that works for the whole fretboard, for every major, minor, penta & blues scale... it was like being hit with a thunder-bolt... keep in mind, this approach uses just ONE finger, and its just ONE SINGLE PATTERN that works for the four scales I mentioned... I'll try to explain, so bear with me and follow along if you can...
Ok, we'll take it slow... lets start a Major Scale using your fore-finger... and we'll start on the 6th string, Low E... place it at the 5th fret... play the note carefully, and listen to the tone... now, this is the note "A"... so what you have is pattern "1", and its your first finger on the 5th fret.. play through the pattern a few times, take it slow and don't worry if you make mistakes... ok got it? Now, this pattern is the first note of A Maj. But, and here's where it gets freaky... its also the first note of A Minor!! That's right! Let's set it up again... place your first finger on the 5th fret of the Low E string and play it... hear it now? A Minor...! It gets even more amazing when you discover that this pattern will also work for the Pentatonic scales, and popular Blues scales. If you're having trouble recognizing the scale type, try using a backing track in the key of A Maj... then play through the pattern... it will fit perfectly! Then get another backing track that is Blues in A... play the same pattern... presto! The really cool thing is that you can transpose this pattern to any string & any fret, and it will continue to work, as long as the backing music is also in the same new key!
I'm working on a text book and video series that will explain this pattern more thoroughly, and I'm toying with the idea of switching it up by using different fingers, such as my middle finger, but this is a ways down the road yet!