Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4670089 | Method of bonding polytetrafluoro-ethylene composition to metal substrates A method of bonding a fluoroplastic material to a preselected surface of a metal substrate is disclosed. The method comprises: providing a flexible film, tape or sheet comprised of a fluoroplastic material which expands when heated; etching one side of th... | 06/02/1987 |
| 4660996 | Bearing and sealing member for moveable shaft A one-piece, self-lubricating, thermoplastic bearing and sealing member suitable for supporting a moveable shaft and forming a seal around the circumference thereof. The bearing and sealing member comprises a tubular shaped body, an inner annular wall por... | 04/28/1987 |
| 4637856 | Apparatus and process for etching fluoroplastics An apparatus and process for etching fluoroplastics is disclosed. A fluoroplastic film, sheet or tape is passed under an etchant distribution means comprised of an annularly shaped and hollow main body having a series of openings therethrough. Attached to... | 01/20/1987 |
| 4526388 | One-piece sealing ring for a shaft A one-piece, self-lubricating thermoplastic sealing ring is disclosed. The sealing ring provides two separate wiping actions on a reciprocating and/or rotating shaft when mounted thereon and can be easily placed on or removed from the shaft without disass... | 07/02/1985 |
| 4521027 | Double flange sealing member for single action piston pump A one-piece, self-lubricating, thermoplastic sealing member suitable for a single action piston pump, the sealing member comprising a tubular shaped body, a peripheral portion of which is radially cut into two flanges of preselected length and thickness. ... | 06/04/1985 |
| 4515378 | Double cup sealing member for double action piston pump A one-piece, self-lubricating, thermoplastic sealing member suitable for a double action piston pump, the sealing member comprising a tubular shaped body, a peripheral portion of which is radially cut into two flanges of substantially equal length and thi... | 05/07/1985 |
