| 1658581 | Metallic golf-club head | February, 1928 | Tobia | |
| 2550846 | Golf club | May, 1951 | Milligan | |
| 3468544 | GOLF CLUB OF THE WOOD TYPE WITH IMPROVED AERODYNAMIC CHARACTERISTICS | September, 1969 | Antonious | |
| 3847399 | GOLF CLUB WITH UNIT-CELL HEAD CONSTRUCTION | November, 1974 | Raymont | |
| 3997170 | Golf wood, or iron, club | December, 1976 | Goldberg | |
| 4021047 | Golf driver club | May, 1977 | Mader | |
| 4065133 | Golf club head structure | December, 1977 | Gordos | |
| 4076254 | Golf club with low density and high inertia head | February, 1978 | Nygren | |
| 4139196 | Distance golf clubs | February, 1979 | Riley | |
| 4157830 | Wood type golf club | June, 1979 | Taylor | |
| 4313607 | Reinforced metal shell golf club head, with keel | February, 1982 | Thompson | |
| 4417731 | Hollow metal golf club head and club incorporating it | November, 1983 | Yamada | |
| 4429879 | Sole plate internal suspension in metal shells to form metal woods | February, 1984 | Schmidt | |
| 4432549 | Metal golf driver | February, 1984 | Zebelean | |
| 4438931 | Golf club head | March, 1984 | Motomiya | |
| 4461481 | Golf club of the driver type | July, 1984 | Kim | |
| 4489945 | All-metallic golf club head | December, 1984 | Kobayashi | |
| 4511145 | Reinforced hollow metal golf club head | April, 1985 | Schmidt | |
| 4602787 | Hollow metal golf club head | July, 1986 | Sugioka | |
| 4681321 | Golf club head | July, 1987 | Chen | |
| 4697813 | Golf club | October, 1987 | Inoue | |
| 4828265 | Golf club head | May, 1989 | Antonious | |
| 4930781 | Constant resonant frequency golf club head | June, 1990 | Allen | |
| 4944515 | Hollow golf club head with internal support | July, 1990 | Shearer | |
| 5000454 | Golf club head | March, 1991 | Soda | |
| 5004241 | Metal wood type golf club head with integral upper internal weighted mass | April, 1991 | Antonious | |
| 5028049 | Golf club head | July, 1991 | McKeighen | |
| 5067715 | Hollow, metallic golf club head with dendritic structure | November, 1991 | Schmidt | |
| 5193810 | Wood type aerodynamic golf club head having an air foil member on the upper surface | March, 1993 | Antonious | 273/167E |
| GB376903 | July, 1932 | |||
| GB664438 | January, 1952 |
FIG. 1 is a perspective view of a reinforced golf club head, showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof; and,
FIG. 7 is a back view thereof.