IVAN - We know through revelation who was Michael and Gabriel, but I don't know who was Uriel and Raphael? I have read that they where angels, but I want to know if there was more information about them that you might know.

JOEL - The Bible contains no direct references to the angels Raphael and Uriel however Raphael is mentioned in the D&C:

"And again, the voice of God in the chamber of old Father Whitmer, in Fayette, Seneca county, and at sundry times, and in divers places . . . the voice . . . of Raphael, and of divers angels, from Michael or Adam down to the present time, all declaring their dispensation, their rights, their keys, their honors, their majesty and glory, and the power of their priesthood; giving line upon line, precept upon precept; here a little, and there a little; giving us consolation by holding forth that which is to come, confirming our hope! (D&C 128:21)

The Prophet Joseph Smith did not record any other information about Him, however, it is clear that the angel Rafael had a mortal existence and held keys of priesthood power during his earthly ministry.
According the the scripture above, Raphael appeared to the Prophet Joseph Smith in modern times and conferred the keys of his dispensation. He was thus a principal participant in the restoration of all things. Some have speculated that since the dispensation associated with the prophet Enoch is not mentioned in the Bible, it is possible that Rafael was the prophet Enoch or another prophet of the time of Enoch. (See the book "Angels", Oscar W. McConkie, p. 57)

Revelation 15 talks about seven angels bringing forth seven plagues (Rev 15:1). Two of these angels, Michael and Gabriel, are found in the Bible and in latter-day revelation. (Jude 9; Luke 1: 19; D.& C. 128:21.) The Apocrypha names all seven angels as Uriel, Raphael, Raguel, Michael, Saraqael, Gabriel, and Remiel (1 Enoch 20:1-8).

The apocryphal book of Tobit also mentiones Rafael:
"I am Raphael, one of the seven holy angels, . . .which go in and out before the glory of the Holy One" (Tobit 12:15).

According to LDS Author Hugh Nibley:
"In the Apocalypse of Moses, another recent discovery, Adam, after being washed three times in the Acherusian Lake, is conducted back to the third heaven. Then he is clothed in linen garments and anointed with oil, and prepared to go into the presence of the Father. In the Apocalypse of Elijah too, we read, "Then will Gabriel and Uriel portray the fiery columns. They will come down as in a column from heaven, and they will lead them into the holy land. And they will settle them there so that they may eat of the tree of life and wear a white garment, . . . and there they will not thirst." (Nibley, "Temple and Cosmos: Beyond This Ignorant Present" p. 119)

Some have speculated that the Apostle Peter corresponds to the Angel Uriel. (Seven Trumpets by John P. Pratt)

Except for the D&C scripture quoted earlier, just about anything else written about these two angels must be considered speculation.