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| 1976 | George Friedman conceives the Phillips pin-head design and begins fabrication in the basement of his home |
| 1980 | Alaina Picitelli joins her father George Tamperproof sets up shop in Valley Stream, NY Ronald Reagan elected President |
| 1982 | Tamperproof moves to its present Hicksville location at 30 Laurel Street One-Way screws are added to the product line |
| 1983 | Tamperproof Screw Company is incorporated in NYS Lew Friedman joins the company |
| 1984 | Socket Pin-Head screws are added to the product line |
| 1985 | Tamperproof expands its office and warehouse space in Hicksville |
| 1986 | Tamperproof begins exporting outside of North America Spanner nuts designed and added to the product line Metric screws are added to the product line |
| 1987 | Snake Eyes ® is trademarked |
| 1988 | Licensed Torx ® security screws are added to the product line Introduction of Tri-Wing ® screws Release of first bound catalog: Buyer’s Guide 91 George Bush elected President |
| 1990 | Release of Consumer’s Catalog ‘92 |
| 1992 | Computerization Bill Clinton elected President |
| 1995 | Release of Buyer’s Guide ‘99 |
| 1996 | Reverse thread Opsit ® Tri-Wing ® screws are added to the product line Addition of Six-Lobe Pin-Head Self-Drilling screws Addition of standard non-tamperproof Torx ® sheet metal screws |
| 1997 | Opsit ® is trademarked |
| 1999 | Tamperproof acquires its domain site www.tamperproof.com Addition of aluminum break-away nuts |
| 2000 | Release of Buyer’s Guide #5 catalog Launch of award-winning “Moments in Tamperproof History” advertising campaign George W. Bush elected President |
| 2001 | First website launched September 11 Tragedy seals off Long Island, leaving Tamperproof unable to ship or receive material for 5 days |
| 2002 | TP3 ® trilobular recess screws conceived and manufactured in Japan |
| 2003 | TP3 ® trademarked |
| 2005 | Tamperproof receives ISO 9000:2001 certification |
| 2006 | Launch of “Tamperproof: The Proof is in the Name” campaign Release of Buyer’s Guide #6 printed catalog and DVD |
| 2008 | Launch of current website which includes shopping-cart format Barack Obama elected George Friedman, Founder, retires at age 88 |