PowerMetal Technologies Inc.

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Technical Evolution of Sports Equipment

GENERAL TRENDS:

18th Century: Wood
19th Century: Steel
20th Century Aluminum and Titanium
21st Century: Nanotechnology
2005 PowerMetal launches first Sporting Goods Products

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TENNIS RACQUETS

1967: Wilson Sporting Goods introduced the first popular metal racket, the T2000. Rackets with a metal head existed as early as 1889, but were not popular.

Late 1970's: Graphite tennis rackets introduced.

1980s Over-sized composite frames over-take the classic wooden racquet.

1990s: Graphite/Epoxy frames get lighter and more powerful.

2003 Nanotech Racquets from Yonex, Babolat, Wilson and Head launched.

BASEBALL BATS

1884: According to legend, Bud Hillerich creates the first wooden baseball bat for Louisville player Pete Browning. Louisville Slugger is born.

1924: William Shroyer issued a patent for the first metal bat.

1969: Easton Sports develops and Aluminum Bat.

1970: Hillerich & Bradsby manufactures the first aluminum bat for the company.
Worth Sports introduced the game's first aluminum baseball bat.

1991: The Baum Bat Inner core made from resin-impregnated fibers and yarns with an ash wood surface.

1993: First titanium bats introduced by Worth and Easton and soon outlawed by Baseball governing bodies.

1990’s: Graphite/Epoxy Composite Bats gain in popularity for baseball & softball.

2003: Rawlings launches amorphous metal shell technology bats.

2005: Easton Sports launches CNT bats with nanotubes.

SKIS

1850's: The cambered ski invented by woodcarvers in the province of Telemark, Norway.

1882: The first hickory skis invented by Bjorn Ullevoldsaeter and George Aaland.

1928: Solid aluminum ski prototyped in France.

1959: The first successful fiberglass ski was invented by Fred Langendorf and Art Molnar in Montreal.

1949: Howard Head's plywood-core, pressure-bonded aluminum Head Standard with continuous integral steel edge began its journey toward becoming the most commercially successful early metal ski.

1990’s: Steel and titanium laminates make skis more durable and parabolic shapes make skis easier to turn.

2005: Head launches amorphous metals in skis.

GOLF CLUBS

1502: King James IV of Scotland commissions a bowmaker in Perth to make a set of golf clubs.

1600's: Clubmakers begin to create forged metal clubs.

1700's: Clubmakers begin to create clubs with steel shafts.

1826: Clubmaker Robert Forgan of Scotland begins to make hickory golf shafts.

1963: Clubs are manufactured by investment casting. Karsten Solheim’s Ping brand makes forgiving putters and irons.

1973: Graphite shaft introduced, but take over 15 years to gain wide-spread popularity by golfers.

1978: Gary Adams designs steel metalwoods and TaylorMade’s corporate history begins.

Late 1980s: First Titanium Clubs sold in Japan at over $1000 USD each.

Mid 1990’s: Titanium Drivers take off in the US following Callaway Great Big Bertha Success. Wooden woods replaced by steel and titanium.

1996: First Titanium Irons Launched in the U.S. by Tommy Armour.

1997: First Bulk Metallic Glass Putters and Irons sold in Japan.

2003: Graphite Body/Titanium Face construction driver heads are launched in Japan and the U.S.

2004: USGA restricts clubhead size to 460 cc size constraint on top of C.O.R. limit of 0.830

*Republished by permission, Gannett News Services, excerpted from USA Today, November 17th, 2004, "Nanotech Could Put a New Spin On Sports"

**Additional dates added by PowerMetal Technologies, Inc. using data gathered from industry experts and company websites.