| |
 |
A. D. Design Services, Inc. Patents |
|
Assignee: A. D. Design Services, Inc.
Address: Hamtramck, MI
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4151997 |
Hydroplaning disc |
May 1, 1979 |
| An aerodynamic and hydromechanical hydroplaning disc with a solid unitary body comprised of aggregated material. The disc is heavier than the water it displaces and non-floating. A series of longitudinally oriented (i.e., meridionally oriented, or north-south) discontinuities are provide |
|
|
|
