| Number | Name | Date | Kind |
|---|---|---|---|
| 638920 | Grant | Dec 1899 | A |
| 1551207 | Nial et al. | Aug 1925 | A |
| 1554321 | Banigan | Sep 1925 | A |
| 1573911 | Budrow | Feb 1926 | A |
| 1588038 | Miller | Jun 1926 | A |
| 1625911 | Richards | Apr 1927 | A |
| 1638448 | Manson | Aug 1927 | A |
| 1638527 | Clausing | Aug 1927 | A |
| 1679579 | Lundy | Aug 1928 | A |
| D78530 | McLeod | May 1929 | S |
| 2531470 | Richard | Nov 1950 | A |
| D181633 | de la Fariest | Dec 1957 | S |
| D200543 | Thomte | Mar 1965 | S |
| 3414268 | Chase | Dec 1968 | A |
| 3633919 | Liccardello | Jan 1972 | A |
| 3645537 | Parenteau | Feb 1972 | A |
| 3656245 | Wilson | Apr 1972 | A |
| 3672077 | Coles | Jun 1972 | A |
| 3818617 | Dassler et al. | Jun 1974 | A |
| 4309376 | Ueno et al. | Jan 1982 | A |
| 4327503 | Johnson | May 1982 | A |
| 4330950 | Reddien | May 1982 | A |
| 4366632 | Bente et al. | Jan 1983 | A |
| 4375728 | Dassler et al. | Mar 1983 | A |
| 4392312 | Crowley et al. | Jul 1983 | A |
| 4516780 | Tabet | May 1985 | A |
| 4527345 | Lopez Lopez et al. | Jul 1985 | A |
| 4837949 | Dufour et al. | Jun 1989 | A |
| 4885851 | Peterson | Dec 1989 | A |
| D315766 | Lemon | Mar 1991 | S |
| 5372362 | Barker | Dec 1994 | A |
| 5413348 | Basso | May 1995 | A |
| D369845 | Knez | May 1996 | S |
| 5581913 | Kataoka et al. | Dec 1996 | A |
| D393301 | Koskela | Apr 1998 | S |
| 6186907 | Woodward | Feb 2001 | B1 |
| D485317 | Cardarelli | Jan 2004 | S |
| 6849008 | Wang | Feb 2005 | B1 |
| D511193 | Trawoger | Nov 2005 | S |
| D516146 | Iacono et al. | Feb 2006 | S |
| 7011586 | Toyosawa et al. | Mar 2006 | B2 |
| 7090594 | Kawashima et al. | Aug 2006 | B2 |
| 7156758 | Lu | Jan 2007 | B2 |
| D542366 | Iacono et al. | May 2007 | S |
| D543597 | Lee et al. | May 2007 | S |
| 7344456 | Hayton | Mar 2008 | B2 |
| D566802 | Carroll et al. | Apr 2008 | S |
| D573210 | Gies | Jul 2008 | S |
| 7704166 | Lim | Apr 2010 | B2 |
| 8403776 | Gruenwald | Mar 2013 | B1 |
| D705878 | Humphrey | May 2014 | S |
| 20020198066 | Salsman | Dec 2002 | A1 |
| 20040166964 | Toyosawa et al. | Aug 2004 | A1 |
| 20050003907 | Ijiri | Jan 2005 | A1 |
| 20050130769 | Olsen | Jun 2005 | A1 |
| 20050187041 | Kawashima et al. | Aug 2005 | A1 |
| 20060276269 | Kihara | Dec 2006 | A1 |
| 20070149324 | Tsai | Jun 2007 | A1 |
| 20070298910 | Potempa et al. | Dec 2007 | A1 |
| 20080182684 | Carroll et al. | Jul 2008 | A1 |
| 20100173730 | Iacono et al. | Jul 2010 | A1 |
| Number | Date | Country |
|---|---|---|
| 1072291 | Jan 2001 | EP |
| 04189374 | Jul 1992 | JP |
| 2005021611 | Jan 2005 | JP |
| 2005296330 | Oct 2005 | JP |
| 2006341016 | Dec 2006 | JP |
| D1333424 | Jun 2008 | JP |
| 20010099365 | Nov 2001 | KR |
| 2005032668 | Apr 2005 | WO |
| Entry |
|---|
| Advertisement for “Zero Friction Golf Tee,” retrieved from www.zerofrictiontees.com on Aug. 28, 2008, http://www.zerofrictiontees.com/Products.html. |
| Microfilmed Text of Japanese Utility Model Application No. SHO 47-117361 (Japanese Utility Model Public Disclosure No. SHO 49-73560). |
| Microfilmed Text of Utility Model Application No. HEI 2-59955 (Japanese Utility Model Public Disclosure No. HEI 4-18553). |
| Japanese Patent Public Disclosure No. 2005-296330. |
| Microfilmed Text of Utility Model Application No. SHO 48-73686 (Japanese Utility Model Public Disclosure No. SHO 50-20773). |