| 1167106 | January, 1916 | Palmer | ||
| 1485685 | Golf club | March, 1924 | McMahon | 273/169 |
| 1555425 | Golf club | September, 1925 | McKenzie | 273/169 |
| 1568888 | January, 1926 | Dunn | ||
| 1582836 | Metallic golf-club head | April, 1926 | Link | |
| 1619566 | Golf club | March, 1927 | Crankshaw | |
| 1658581 | Metallic golf-club head | February, 1928 | Tobia | 273/169 |
| 1669482 | Golf club | May, 1928 | Miller | |
| 1868286 | Golf club | July, 1932 | Grieve | 273/174 |
| 1916792 | Golf club head | July, 1933 | Hadden | |
| 1946208 | Method of coating articles with pyroxylin or the like | February, 1934 | Hampton | |
| 1968626 | Resilient golf club head | July, 1934 | Young | 273/78 |
| 2041676 | Golf club | May, 1936 | Gallagher | 273/77 |
| 2083189 | Golf club | June, 1937 | Crooker | 273/77R |
| 2087685 | Golf club | July, 1937 | Hackney | 273/167F |
| 2201638 | Golf club | May, 1940 | Theibault, Sr. | |
| 2458920 | Golf club | January, 1949 | Wheeler et al. | 273/80.7 |
| 2460435 | Golf club | February, 1949 | Schaffer | 273/169 |
| 2960338 | Wood-type golf club | November, 1960 | Havey et al. | |
| 3212783 | Golf club head | October, 1965 | Bradley et al. | |
| 3625518 | GOLF CLUB HEAD WITH COMPLEX CURVATURE FOR THE SOLE AND/OR THE STRIKING FACE | December, 1971 | Solheim | 273/175 |
| 3761095 | GOLF CLUB HEAD WITH SOLE PLATE-KEEL ATTACHMENT | September, 1973 | Thompson | 273/174 |
| 3976299 | Golf club head apparatus | August, 1976 | Lawrence et al. | |
| 4214754 | Metal golf driver and method of making same | July, 1980 | Zebelean | 273/167H |
| 4252262 | Method for manufacturing a golf club | February, 1981 | Igarashi | 273/167J |
| 4313607 | Reinforced metal shell golf club head, with keel | February, 1982 | Thompson | 273/167H |
| 4322083 | Golf club head | March, 1982 | Imai | |
| 4332388 | Golf club head | June, 1982 | Crow | |
| 4417731 | Hollow metal golf club head and club incorporating it | November, 1983 | Yamada | 273/167H |
| 4429879 | Sole plate internal suspension in metal shells to form metal woods | February, 1984 | Schmidt | 273/167H |
| 4432549 | Metal golf driver | February, 1984 | Zebelean | 273/167H |
| 4438931 | Golf club head | March, 1984 | Motomiya | 273/167H |
| 4511145 | Reinforced hollow metal golf club head | April, 1985 | Schmidt | 273/167H |
| 4681321 | Golf club head | July, 1987 | Chen et al. | 273/167H |
| 4809977 | Golf club set with alignment features | March, 1989 | Doran et al. | |
| 4872685 | Golf club head with impact insert member | October, 1989 | Sun | 273/169 |
| 4930781 | Constant resonant frequency golf club head | June, 1990 | Allen | 273/167F |
| 5000454 | Golf club head | March, 1991 | Soda | 273/167H |
| 5028049 | Golf club head | July, 1991 | McKeighen | 273/167H |
| 5042806 | Golf club with neckless metal head | August, 1991 | Helmstetter | 273/167H |
| 5067715 | Hollow, metallic golf club head with dendritic structure | November, 1991 | Schmidt et al. | 273/167F |
| 5163682 | Metal wood golf club with variable faceplate thickness | November, 1992 | Schmidt et al. | |
| 5180166 | Hollow, metallic golf club head with dendritic structure | January, 1993 | Schmidt et al. | |
| 5240252 | Hollow, metallic golf club head with relieved sole and dendritic structure | August, 1993 | Schmidt et al. | |
| 5271620 | Golf club head | December, 1993 | Moriguchi et al. |
| GB26072 | September, 1912 | 273/80.2 | ||
| GB420332 | March, 1934 | 273/80.8 | ||
| GB1476889 | June, 1977 | 273/167H | ||
| GB2100993 | January, 1983 | 273/167H | ||
| GB2225725 | May, 1990 | |||
| GB2230459 | October, 1990 | 273/167H |
FIG. 1 is a front face view of a golf putter head showing our new design;
FIG. 2 is a top plan view of the FIG. 1 head;
FIG. 3 is a toe end view of the FIG. 1 head;
FIG. 4 is a heel end view of the FIG. 1 head;
FIG. 5 is a bottom plan view of the FIG. 1 head;
FIG. 6 is a rear elevation of the FIG. 1 head;
FIG. 7 is a cross section taken on line 7--7 of FIG. 5;
FIG. 8 is a cross section taken on line 8--8 of FIG. 5;
FIG. 9 is a cross section taken on line 9--9 of FIG. 7; and,
FIG. 10 is a cross section taken on line 10--10 of FIG. 7.