Patent Grant
D375130
| Number | Name | Date | Kind |
|---|---|---|---|
| D172459 | Beveridge | Jun 1954 | |
| D318087 | Helmstetter | Jul 1991 | |
| D340492 | Flood | Oct 1993 | |
| D343434 | Helmstetter | Jan 1994 | |
| D344117 | Helmstetter | Feb 1994 | |
| D344997 | Allen | Mar 1994 | |
| D354324 | Stites, III | Jan 1995 | |
| D366682 | Antonious | Jan 1996 | |
| 1291967 | McDougal | Jan 1919 | |
| 1480961 | Smith | Jan 1924 | |
| 1994149 | Root | Mar 1935 | |
| 2003951 | Pepin | Jun 1935 | |
| 2067556 | Wettlaufer | Jan 1937 | |
| 2201638 | Theibault | May 1940 | |
| 2250950 | Miller | Sep 1950 | |
| 2550846 | Milligan | May 1951 | |
| 2880002 | Wetty | Mar 1959 | |
| 3199872 | Taylor | Aug 1965 | |
| 3519271 | Smith | Jul 1970 | |
| 3595577 | Hodge | Jul 1971 | |
| 3625618 | Solheim | Dec 1971 | |
| 3759517 | Mills | Sep 1973 | |
| 3810621 | Mills | May 1974 | |
| 3819181 | Mills | Jun 1974 | |
| 3825991 | Cornell | Jul 1974 | |
| 3980301 | Smith | Sep 1976 | |
| 3985363 | Jepson | Oct 1976 | |
| 3997170 | Goldberg | Dec 1976 | |
| 4023802 | Jepson | May 1977 | |
| 4157830 | Taylor | Jun 1979 | |
| 4417731 | Yamada | Nov 1983 | |
| 4471961 | Masghati | Sep 1984 | |
| 4697813 | Inoue | Oct 1987 | |
| 4776594 | Rango | Oct 1988 | |
| 4838555 | Kobayashi | Jun 1989 | |
| 4948132 | Wharton | Aug 1990 | |
| 4960279 | Harris | Oct 1990 | |
| 5042806 | Helmstetter | Aug 1991 | |
| 5067715 | Schmidt | Nov 1991 | |
| 5092599 | Okumoto | Mar 1992 | |
| 5120062 | Scheie | Jun 1992 | |
| 5163682 | Schmidt | Nov 1992 | |
| 5180166 | Schmidt | Jan 1993 | |
| 5184819 | Desbiolles | Feb 1993 | |
| 5204046 | Schmidt | Apr 1993 | |
| 5205552 | Green | Apr 1993 | |
| 5221086 | Antonious | Jun 1993 | |
| 5232224 | Zeider | Aug 1993 | |
| 5240252 | Schmidt | Aug 1993 | |
| 5255914 | Schroder | Oct 1993 | |
| 5257786 | Gorman | Nov 1993 | |
| 5272802 | Stites, III | Dec 1993 | |
| 5301941 | Allen | Apr 1994 | |
| 5301945 | Schmidt | Apr 1994 | |
| 5318300 | Schmidt | Jun 1994 | |
| 5322287 | Okumoto | Jun 1994 | |
| 5335909 | Green | Aug 1994 | |
| 5346217 | Tsuchiya | Sep 1994 | |
| 5351958 | Helmstetter | Oct 1994 |
| Number | Date | Country |
|---|---|---|
| 2225725 | Jun 1990 | GBX |
| 2230459 | Oct 1990 | GBX |
| WO9000424 | Jan 1990 | WOX |
| Entry |
|---|
| Peterson's Golfing, Dec., 1994, pp. 37-39. |
